#338A37 Color
#338A37 is rgb(51, 138, 55) in RGB, hsl(123, 46%, 37%) in HSL, and about cmyk(63%, 0%, 60%, 46%) in CMYK. It has no registered color name of its own — the closest is May Green (#4C9141), clearly related but distinguishable side by side at ΔE 6.24. Black text is the more readable choice on this background.
#338A37rgb(51, 138, 55)hsl(123, 46%, 37%)hsv(123, 63%, 54%)cmyk(63%, 0%, 60%, 46%)oklch(56.2% 0.146 144.1)lab(50.91% -40.30 35.55)lch(50.91% 53.74 138.58)What #338A37 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 #338A37, 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.
#338A37 Channel Values
How #338A37 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 51 · G 138 · B 55 | 8-bit channels as sent to the display |
| HSL | H 123° · S 46% · L 37% | Easiest model for building lighter and darker variants |
| HSV | H 123° · S 63% · V 54% | Matches the picker in most design tools |
| CMYK | C 63% · M 0% · Y 60% · K 46% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.35:1 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 #338A37 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 #338A37 in the contrast checker.
Colors That Go With #338A37
Pairings derived from color-wheel relationships. The complementary color sits opposite #338A37; 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 #338A37
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 #338A37.
How #338A37 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.
#338A37#808038#6A8437#76763B#627E3A#468383#3F866C#797979Using #338A37 in Code
Copy-ready declarations for the places this color usually ends up.
--color-338a37: #338A37;background-color: #338A37;colors: { 'color-338a37': '#338A37' }Color(red: 0.200, green: 0.541, blue: 0.216)<color name="color_338a37">#338A37</color>fill="#338A37"More Green Colors
#338A37 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#338A37 Frequently Asked Questions
What color is #338A37?
#338A37 is a dark green — rgb(51, 138, 55) in RGB and hsl(123, 46%, 37%) in HSL. It carries no registered color name of its own; the closest named color is May Green (#4C9141), which is clearly related but distinguishable side by side at a CIE76 distance of 6.24.
What is the RGB value of #338A37?
#338A37 is rgb(51, 138, 55) — red 51, green 138, and blue 55 on the 0-255 scale.
What is the CMYK value of #338A37?
#338A37 converts to approximately cmyk(63%, 0%, 60%, 46%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #338A37 be black or white?
Black text is the more readable choice. #338A37 scores 4.35:1 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 #338A37 as a CSS color keyword?
No. #338A37 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 10.06, which is visibly different.
Open #338A37 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.