#058F21 Color
#058F21 is rgb(5, 143, 33) in RGB, hsl(132, 93%, 29%) in HSL, and about cmyk(97%, 0%, 77%, 44%) in CMYK. It has no registered color name of its own — the closest is Forest Green (#228B22), very hard to tell apart at ΔE 4.57. Black text is the more readable choice on this background.
#058F21rgb(5, 143, 33)hsl(132, 93%, 29%)hsv(132, 97%, 56%)cmyk(97%, 0%, 77%, 44%)oklch(56.5% 0.179 144.4)lab(51.63% -50.03 45.20)lch(51.63% 67.42 137.90)What #058F21 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 #058F21, 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.
#058F21 Channel Values
How #058F21 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 5 · G 143 · B 33 | 8-bit channels as sent to the display |
| HSL | H 132° · S 93% · L 29% | Easiest model for building lighter and darker variants |
| HSV | H 132° · S 97% · V 56% | Matches the picker in most design tools |
| CMYK | C 97% · M 0% · Y 77% · K 44% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.24:1 vs white · 4.96:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #058F21 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 #058F21 in the contrast checker.
Colors That Go With #058F21
Pairings derived from color-wheel relationships. The complementary color sits opposite #058F21; 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 #058F21
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 #058F21.
How #058F21 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.
#058F21#838323#688822#77772A#5E8126#348787#288A6C#7B7B7BUsing #058F21 in Code
Copy-ready declarations for the places this color usually ends up.
--color-058f21: #058F21;background-color: #058F21;colors: { 'color-058f21': '#058F21' }Color(red: 0.020, green: 0.561, blue: 0.129)<color name="color_058f21">#058F21</color>fill="#058F21"More Green Colors
#058F21 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#058F21 Frequently Asked Questions
What color is #058F21?
#058F21 is a dark green — rgb(5, 143, 33) in RGB and hsl(132, 93%, 29%) in HSL. It carries no registered color name of its own; the closest named color is Forest Green (#228B22), which is very hard to tell apart at a CIE76 distance of 4.57.
What is the RGB value of #058F21?
#058F21 is rgb(5, 143, 33) — red 5, green 143, and blue 33 on the 0-255 scale.
What is the CMYK value of #058F21?
#058F21 converts to approximately cmyk(97%, 0%, 77%, 44%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #058F21 be black or white?
Black text is the more readable choice. #058F21 scores 4.24:1 against white and 4.96:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #058F21 as a CSS color keyword?
No. #058F21 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 4.57, which is very hard to tell apart.
Open #058F21 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.