#039B0B Color
#039B0B is rgb(3, 155, 11) in RGB, hsl(123, 96%, 31%) in HSL, and about cmyk(98%, 0%, 93%, 39%) in CMYK. It has no registered color name of its own — the closest is Slimy Green (#299617), clearly related but distinguishable side by side at ΔE 6.77. Black text is the more readable choice on this background.
#039B0Brgb(3, 155, 11)hsl(123, 96%, 31%)hsv(123, 98%, 61%)cmyk(98%, 0%, 93%, 39%)oklch(59.8% 0.201 142.8)lab(55.62% -54.25 54.26)lch(55.62% 76.72 135.00)What #039B0B 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 #039B0B, 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.
#039B0B Channel Values
How #039B0B 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 3 · G 155 · B 11 | 8-bit channels as sent to the display |
| HSL | H 123° · S 96% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 123° · S 98% · V 61% | Matches the picker in most design tools |
| CMYK | C 98% · M 0% · Y 93% · K 39% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.69:1 vs white · 5.7:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #039B0B 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 #039B0B in the contrast checker.
Colors That Go With #039B0B
Pairings derived from color-wheel relationships. The complementary color sits opposite #039B0B; 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 #039B0B
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 #039B0B.
How #039B0B 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.
#039B0B#8E8E0F#71940E#81811D#668C17#3A9292#2C9674#858585Using #039B0B in Code
Copy-ready declarations for the places this color usually ends up.
--color-039b0b: #039B0B;background-color: #039B0B;colors: { 'color-039b0b': '#039B0B' }Color(red: 0.012, green: 0.608, blue: 0.043)<color name="color_039b0b">#039B0B</color>fill="#039B0B"More Green Colors
#039B0B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#039B0B Frequently Asked Questions
What color is #039B0B?
#039B0B is a dark green — rgb(3, 155, 11) in RGB and hsl(123, 96%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Slimy Green (#299617), which is clearly related but distinguishable side by side at a CIE76 distance of 6.77.
What is the RGB value of #039B0B?
#039B0B is rgb(3, 155, 11) — red 3, green 155, and blue 11 on the 0-255 scale.
What is the CMYK value of #039B0B?
#039B0B converts to approximately cmyk(98%, 0%, 93%, 39%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #039B0B be black or white?
Black text is the more readable choice. #039B0B scores 3.69:1 against white and 5.7:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #039B0B as a CSS color keyword?
No. #039B0B 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 green (#008000) at a CIE76 distance of 12.82, which is visibly different.
Open #039B0B in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.