#1B5F2F Color
#1B5F2F is rgb(27, 95, 47) in RGB, hsl(138, 56%, 24%) in HSL, and about cmyk(72%, 0%, 51%, 63%) in CMYK. It has no registered color name of its own — the closest is Mughal Green (#306030), clearly related but distinguishable side by side at ΔE 5.68. White text is the more readable choice on this background.
#1B5F2Frgb(27, 95, 47)hsl(138, 56%, 24%)hsv(138, 72%, 37%)cmyk(72%, 0%, 51%, 63%)oklch(43.1% 0.103 149.4)lab(35.24% -30.86 20.96)lch(35.24% 37.31 145.81)What #1B5F2F 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 #1B5F2F, 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.
#1B5F2F Channel Values
How #1B5F2F 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 27 · G 95 · B 47 | 8-bit channels as sent to the display |
| HSL | H 138° · S 56% · L 24% | Easiest model for building lighter and darker variants |
| HSV | H 138° · S 72% · V 37% | Matches the picker in most design tools |
| CMYK | C 72% · M 0% · Y 51% · K 63% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.71:1 vs white · 2.72:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #1B5F2F 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 #1B5F2F in the contrast checker.
Colors That Go With #1B5F2F
Pairings derived from color-wheel relationships. The complementary color sits opposite #1B5F2F; 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 #1B5F2F
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 #1B5F2F.
How #1B5F2F 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.
#1B5F2F#58582F#475B2F#505032#415631#295B5B#245C4D#535353Using #1B5F2F in Code
Copy-ready declarations for the places this color usually ends up.
--color-1b5f2f: #1B5F2F;background-color: #1B5F2F;colors: { 'color-1b5f2f': '#1B5F2F' }Color(red: 0.106, green: 0.373, blue: 0.184)<color name="color_1b5f2f">#1B5F2F</color>fill="#1B5F2F"More Green Colors
#1B5F2F sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#1B5F2F Frequently Asked Questions
What color is #1B5F2F?
#1B5F2F is a dark green — rgb(27, 95, 47) in RGB and hsl(138, 56%, 24%) in HSL. It carries no registered color name of its own; the closest named color is Mughal Green (#306030), which is clearly related but distinguishable side by side at a CIE76 distance of 5.68.
What is the RGB value of #1B5F2F?
#1B5F2F is rgb(27, 95, 47) — red 27, green 95, and blue 47 on the 0-255 scale.
What is the CMYK value of #1B5F2F?
#1B5F2F converts to approximately cmyk(72%, 0%, 51%, 63%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #1B5F2F be black or white?
White text is the more readable choice. #1B5F2F scores 7.71:1 against white and 2.72:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #1B5F2F as a CSS color keyword?
No. #1B5F2F 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 seagreen (#2E8B57) at a CIE76 distance of 17.75, which is visibly different.
Open #1B5F2F in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.