#288A3D Color
#288A3D is rgb(40, 138, 61) in RGB, hsl(133, 55%, 35%) in HSL, and about cmyk(71%, 0%, 56%, 46%) in CMYK. It has no registered color name of its own — the closest is Philippine Green (#008543), clearly related but distinguishable side by side at ΔE 6.65. Black text is the more readable choice on this background.
#288A3Drgb(40, 138, 61)hsl(133, 55%, 35%)hsv(133, 71%, 54%)cmyk(71%, 0%, 56%, 46%)oklch(55.9% 0.145 147)lab(50.66% -42.05 32.25)lch(50.66% 52.99 142.52)What #288A3D 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 #288A3D, 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.
#288A3D Channel Values
How #288A3D 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 138 · B 61 | 8-bit channels as sent to the display |
| HSL | H 133° · S 55% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 133° · S 71% · V 54% | Matches the picker in most design tools |
| CMYK | C 71% · M 0% · Y 56% · K 46% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.38:1 vs white · 4.79:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #288A3D 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 #288A3D in the contrast checker.
Colors That Go With #288A3D
Pairings derived from color-wheel relationships. The complementary color sits opposite #288A3D; 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 #288A3D
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 #288A3D.
How #288A3D 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.
#288A3D#80803E#68843D#757541#5F7E40#3E8383#36866E#797979Using #288A3D in Code
Copy-ready declarations for the places this color usually ends up.
--color-288a3d: #288A3D;background-color: #288A3D;colors: { 'color-288a3d': '#288A3D' }Color(red: 0.157, green: 0.541, blue: 0.239)<color name="color_288a3d">#288A3D</color>fill="#288A3D"More Green Colors
#288A3D sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#288A3D Frequently Asked Questions
What color is #288A3D?
#288A3D is a dark green — rgb(40, 138, 61) in RGB and hsl(133, 55%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Philippine Green (#008543), which is clearly related but distinguishable side by side at a CIE76 distance of 6.65.
What is the RGB value of #288A3D?
#288A3D is rgb(40, 138, 61) — red 40, green 138, and blue 61 on the 0-255 scale.
What is the CMYK value of #288A3D?
#288A3D converts to approximately cmyk(71%, 0%, 56%, 46%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #288A3D be black or white?
Black text is the more readable choice. #288A3D scores 4.38:1 against white and 4.79:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #288A3D as a CSS color keyword?
No. #288A3D 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 12.34, which is visibly different.
Open #288A3D in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.