#318C33 Color
#318C33 is rgb(49, 140, 51) in RGB, hsl(121, 48%, 37%) in HSL, and about cmyk(65%, 0%, 64%, 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 7.2. Black text is the more readable choice on this background.
#318C33rgb(49, 140, 51)hsl(121, 48%, 37%)hsv(121, 65%, 55%)cmyk(65%, 0%, 64%, 45%)oklch(56.6% 0.153 143.6)lab(51.48% -41.83 38.03)lch(51.48% 56.53 137.72)What #318C33 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 #318C33, 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.
#318C33 Channel Values
How #318C33 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 49 · G 140 · B 51 | 8-bit channels as sent to the display |
| HSL | H 121° · S 48% · L 37% | Easiest model for building lighter and darker variants |
| HSV | H 121° · S 65% · V 55% | Matches the picker in most design tools |
| CMYK | C 65% · M 0% · Y 64% · K 45% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.26:1 vs white · 4.93:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #318C33 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 #318C33 in the contrast checker.
Colors That Go With #318C33
Pairings derived from color-wheel relationships. The complementary color sits opposite #318C33; 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 #318C33
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 #318C33.
How #318C33 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.
#318C33#828234#6B8634#777738#638036#458585#3E886D#7B7B7BUsing #318C33 in Code
Copy-ready declarations for the places this color usually ends up.
--color-318c33: #318C33;background-color: #318C33;colors: { 'color-318c33': '#318C33' }Color(red: 0.192, green: 0.549, blue: 0.200)<color name="color_318c33">#318C33</color>fill="#318C33"More Green Colors
#318C33 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#318C33 Frequently Asked Questions
What color is #318C33?
#318C33 is a dark green — rgb(49, 140, 51) in RGB and hsl(121, 48%, 37%) 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 7.2.
What is the RGB value of #318C33?
#318C33 is rgb(49, 140, 51) — red 49, green 140, and blue 51 on the 0-255 scale.
What is the CMYK value of #318C33?
#318C33 converts to approximately cmyk(65%, 0%, 64%, 45%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #318C33 be black or white?
Black text is the more readable choice. #318C33 scores 4.26:1 against white and 4.93:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #318C33 as a CSS color keyword?
No. #318C33 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 7.2, which is clearly related but distinguishable side by side.
Open #318C33 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.