#288637 Color
#288637 is rgb(40, 134, 55) in RGB, hsl(130, 54%, 34%) in HSL, and about cmyk(70%, 0%, 59%, 47%) in CMYK. It has no registered color name of its own — the closest is La Salle Green (#087830), clearly related but distinguishable side by side at ΔE 6.25. White text is the more readable choice on this background.
#288637rgb(40, 134, 55)hsl(130, 54%, 34%)hsv(130, 70%, 53%)cmyk(70%, 0%, 59%, 47%)oklch(54.7% 0.145 145.9)lab(49.25% -41.31 33.56)lch(49.25% 53.22 140.91)What #288637 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #288637, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every green in the library.
#288637 Channel Values
How #288637 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 40 · G 134 · B 55 | 8-bit channels as sent to the display |
| HSL | H 130° · S 54% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 130° · S 70% · V 53% | Matches the picker in most design tools |
| CMYK | C 70% · M 0% · Y 59% · K 47% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.61:1 vs white · 4.56:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #288637 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #288637 in the contrast checker.
Colors That Go With #288637
Pairings derived from color-wheel relationships. The complementary color sits opposite #288637; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #288637
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #288637.
How #288637 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#288637#7C7C38#658037#71713B#5D7A3A#3D7F7F#36826A#757575Using #288637 in Code
Copy-ready declarations for the places this color usually ends up.
--color-288637: #288637;background-color: #288637;colors: { 'color-288637': '#288637' }Color(red: 0.157, green: 0.525, blue: 0.216)<color name="color_288637">#288637</color>fill="#288637"More Green Colors
#288637 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#288637 Frequently Asked Questions
What color is #288637?
#288637 is a dark green — rgb(40, 134, 55) in RGB and hsl(130, 54%, 34%) in HSL. It carries no registered color name of its own; the closest named color is La Salle Green (#087830), which is clearly related but distinguishable side by side at a CIE76 distance of 6.25.
What is the RGB value of #288637?
#288637 is rgb(40, 134, 55) — red 40, green 134, and blue 55 on the 0-255 scale.
What is the CMYK value of #288637?
#288637 converts to approximately cmyk(70%, 0%, 59%, 47%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #288637 be black or white?
White text is the more readable choice. #288637 scores 4.61:1 against white and 4.56:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #288637 as a CSS color keyword?
No. #288637 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is forestgreen (#228B22) at a CIE76 distance of 11.45, which is visibly different.
Open #288637 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.