#283933 Color
#283933 is rgb(40, 57, 51) in RGB, hsl(159, 18%, 19%) in HSL, and about cmyk(30%, 0%, 11%, 78%) in CMYK. It has no registered color name of its own — the closest is Medium Jungle Green (#1C352D), very hard to tell apart at ΔE 4.29. White text is the more readable choice on this background.
#283933rgb(40, 57, 51)hsl(159, 18%, 19%)hsv(159, 30%, 22%)cmyk(30%, 0%, 11%, 78%)oklch(32.8% 0.025 171)lab(22.32% -8.37 1.40)lch(22.32% 8.49 170.54)What #283933 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 #283933, 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.
#283933 Channel Values
How #283933 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 57 · B 51 | 8-bit channels as sent to the display |
| HSL | H 159° · S 18% · L 19% | Easiest model for building lighter and darker variants |
| HSV | H 159° · S 30% · V 22% | Matches the picker in most design tools |
| CMYK | C 30% · M 0% · Y 11% · K 78% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 12.19:1 vs white · 1.72:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #283933 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 #283933 in the contrast checker.
Colors That Go With #283933
Pairings derived from color-wheel relationships. The complementary color sits opposite #283933; 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 #283933
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 #283933.
How #283933 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.
#283933#373733#313833#343433#303633#293838#293936#353535Using #283933 in Code
Copy-ready declarations for the places this color usually ends up.
--color-283933: #283933;background-color: #283933;colors: { 'color-283933': '#283933' }Color(red: 0.157, green: 0.224, blue: 0.200)<color name="color_283933">#283933</color>fill="#283933"More Green Colors
#283933 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#283933 Frequently Asked Questions
What color is #283933?
#283933 is a darkest green — rgb(40, 57, 51) in RGB and hsl(159, 18%, 19%) in HSL. It carries no registered color name of its own; the closest named color is Medium Jungle Green (#1C352D), which is very hard to tell apart at a CIE76 distance of 4.29.
What is the RGB value of #283933?
#283933 is rgb(40, 57, 51) — red 40, green 57, and blue 51 on the 0-255 scale.
What is the CMYK value of #283933?
#283933 converts to approximately cmyk(30%, 0%, 11%, 78%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #283933 be black or white?
White text is the more readable choice. #283933 scores 12.19:1 against white and 1.72:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #283933 as a CSS color keyword?
No. #283933 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 darkslategray (#2F4F4F) at a CIE76 distance of 11.01, which is visibly different.
Open #283933 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.