Blackboard Green color hex code is #274C43

What is Blackboard Green Color?

Blackboard Green (Hex code: 274C43) Thumbnail

Blackboard Green has the hex code #274C43. The equivalent RGB values are (39, 76, 67), which means it is composed of 21% red, 42% green and 37% blue. The CMYK color codes, used in printers, are C:49 M:0 Y:12 K:70. In the HSV/HSB scale, Blackboard Green has a hue of 165°, 49% saturation and a brightness value of 30%.
Details of other color codes including equivalent web safe and HTML & CSS colors are given in the table below. Also listed are the closest Pantone® (PMS) and RAL colors.

Included in the RAL Design list with the number 180 30 15, Blackboard Green hex code is #274C43 with equivalent RGB (39, 76, 67). It is not a web color and cannot be applied to web pages by name. However, it can be used in HTML and CSS code by the hex, RGB or HSL values.
FYI, Blackboard Green's CMYK numbers and corresponding Pantone (PMS) color value mentioned on this page have been calculated from the hexadecimal code and are only approximations.

RAL is a popular color matching system used in several European countries including Germany, France, Italy and the UK. Please note that RAL Design catalogue is for interior colors and is different from the original RAL Classic list.

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Blackboard Green Color Codes

Hex Code	#274C43
RGB Values	(39, 76, 67)
CMYK Values	(49%, 0%, 12%, 70%)
HSV/HSB Values	(165°, 49%, 30%)
Closest Web Safe	#333333
Inverse Color	#D8B3BC [Pale Chestnut]
Closest Pantone®	553 C
Closest RAL	6028 [Pine green]
Complementary Color	#4C2730 [Brown Coffee]

Blackboard Green Converted to Grayscale Codes
Simple Average	#3D3D3D
Desaturated	#3A3A3A
Weighted Average (Most Common)	#404040
Weighted Average (Luma)	#434343
Weighted Average (Gamma Adjusted)	#888888

Blackboard Green Color Palettes

Complementary color palette of 274C43. Complementary color is 4C2730

Complementary Palette

The complement of Blackboard Green is Brown Coffee with the hex code #4C2730. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #274C43 color is offered by #4C2730. The complementary color palette is easiest to use and work with. Studies have shown that contrasting color palette is the best way to grab a viewer's attention.

274C43 4C2730

Analogous color palette with (274C43, 27434C and 274C31)

Analogous Palette

The analogous colors of Blackboard Green (#274C43) are Japanese Indigo (#27434C) and Cal Poly Pomona Green (#274C31). In the RGB color wheel, these two analogous colors occur to the right and left of Blackboard Green with a 30° separation on either side. An analogous color palette is extremely soothing to the eyes and works wonders if your main color is soft or pastel.

274C43 27434C 274C31

Split Complementary color palette with (274C43, 4C2743 and 4C3127)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Blackboard Green (#274C43) are #4C2743 (Dark Puce) and #4C3127 (Brown Coffee). A split-complementary color palette consists of the main color along with those on either side (30°) of the complementary color. Based on our research, usage of split-complementary palettes is on the rise online, especially in graphics and web sites designs. It may be because it is not as contrasting as the complementary color palette and, hence, results in a combination which is pleasant to the eyes.

274C43 4C2743 4C3127

Triadic color palette with (274C43, 43274C and 4C4327)

Triadic Palette

Blackboard Green triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #43274C (American Purple) and #4C4327 (Dark Lava) along with #274C43 create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

274C43 43274C 4C4327

Tetradic color palette with (274C43, 43274C, 4C2730 and 304C27)

Tetradic Palette

The tetradic palette of Blackboard Green has four colors - #43274C (American Purple), #4C2730 (Brown Coffee) and #304C27 (Kombu Green) in addition to the base color (#274C43). A tetradic color palette is complex and, in most cases, should not be used off-the-shelf. We suggest tweaking the colors slightly to achieve desired results.

274C43 43274C 4C2730 304C27

Square color palette with (274C43, 31274C, 4C2730 and 434C27)

Square Palette

Blackboard Green square color palette has #31274C (Russian Violet), #4C2730 (Brown Coffee) and #434C27 (Army Green). Quite like triadic, the hues in a square palette are at the maximum distance from each other, which is 90°.
Note: For several colors purposes, a square palette may look much better than the tetrad color palette.

274C43 31274C 4C2730 434C27

Blackboard Green Color Rainbow Palette

Our Blackboard Green rainbow color palette is based on the RGB model and consists of 7 colors, just like the traditional rainbow. You might not see a lot of variation in color, especially if the chosen color is dark or extremely light. However, this can lead interesting rainbow palettes that are faded, soft, pastel or dull.

274C43 27364C 38274C 4C2740 4C2E27 4B4C27 2B4C27