#188C31 Color
#188C31 is rgb(24, 140, 49) in RGB, hsl(133, 71%, 32%) in HSL, and about cmyk(83%, 0%, 65%, 45%) in CMYK. It has no registered color name of its own — the closest is Forest Green (#228B22), clearly related but distinguishable side by side at ΔE 5.95. Black text is the more readable choice on this background.
#188C31rgb(24, 140, 49)hsl(133, 71%, 32%)hsv(133, 83%, 55%)cmyk(83%, 0%, 65%, 45%)oklch(56% 0.162 145.9)lab(50.91% -46.36 38.12)lch(50.91% 60.02 140.57)What #188C31 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 #188C31, 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.
#188C31 Channel Values
How #188C31 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 24 · G 140 · B 49 | 8-bit channels as sent to the display |
| HSL | H 133° · S 71% · L 32% | Easiest model for building lighter and darker variants |
| HSV | H 133° · S 83% · V 55% | Matches the picker in most design tools |
| CMYK | C 83% · M 0% · Y 65% · K 45% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.34:1 vs white · 4.83:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #188C31 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 #188C31 in the contrast checker.
Colors That Go With #188C31
Pairings derived from color-wheel relationships. The complementary color sits opposite #188C31; 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 #188C31
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 #188C31.
How #188C31 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.
#188C31#818132#678532#757537#5E7F34#378585#2E886D#797979Using #188C31 in Code
Copy-ready declarations for the places this color usually ends up.
--color-188c31: #188C31;background-color: #188C31;colors: { 'color-188c31': '#188C31' }Color(red: 0.094, green: 0.549, blue: 0.192)<color name="color_188c31">#188C31</color>fill="#188C31"More Green Colors
#188C31 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#188C31 Frequently Asked Questions
What color is #188C31?
#188C31 is a dark green — rgb(24, 140, 49) in RGB and hsl(133, 71%, 32%) in HSL. It carries no registered color name of its own; the closest named color is Forest Green (#228B22), which is clearly related but distinguishable side by side at a CIE76 distance of 5.95.
What is the RGB value of #188C31?
#188C31 is rgb(24, 140, 49) — red 24, green 140, and blue 49 on the 0-255 scale.
What is the CMYK value of #188C31?
#188C31 converts to approximately cmyk(83%, 0%, 65%, 45%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #188C31 be black or white?
Black text is the more readable choice. #188C31 scores 4.34:1 against white and 4.83:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #188C31 as a CSS color keyword?
No. #188C31 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 5.95, which is clearly related but distinguishable side by side.
Open #188C31 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.