#183E2A Color
#183E2A is rgb(24, 62, 42) in RGB, hsl(148, 44%, 17%) in HSL, and about cmyk(61%, 0%, 32%, 76%) in CMYK. It has no registered color name of its own — the closest is Phthalo Green (#123524), very hard to tell apart at ΔE 4.25. White text is the more readable choice on this background.
#183E2Argb(24, 62, 42)hsl(148, 44%, 17%)hsv(148, 61%, 24%)cmyk(61%, 0%, 32%, 76%)oklch(33% 0.057 158.1)lab(22.99% -18.41 8.08)lch(22.99% 20.11 156.31)What #183E2A 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 #183E2A, 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.
#183E2A Channel Values
How #183E2A 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 24 · G 62 · B 42 | 8-bit channels as sent to the display |
| HSL | H 148° · S 44% · L 17% | Easiest model for building lighter and darker variants |
| HSV | H 148° · S 61% · V 24% | Matches the picker in most design tools |
| CMYK | C 61% · M 0% · Y 32% · K 76% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.92:1 vs white · 1.76:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #183E2A 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 #183E2A in the contrast checker.
Colors That Go With #183E2A
Pairings derived from color-wheel relationships. The complementary color sits opposite #183E2A; 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 #183E2A
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 #183E2A.
How #183E2A 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.
#183E2A#39392A#2F3B2A#35352B#2C392B#1D3C3C#1B3D36#373737Using #183E2A in Code
Copy-ready declarations for the places this color usually ends up.
--color-183e2a: #183E2A;background-color: #183E2A;colors: { 'color-183e2a': '#183E2A' }Color(red: 0.094, green: 0.243, blue: 0.165)<color name="color_183e2a">#183E2A</color>fill="#183E2A"More Green Colors
#183E2A sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#183E2A Frequently Asked Questions
What color is #183E2A?
#183E2A is a darkest green — rgb(24, 62, 42) in RGB and hsl(148, 44%, 17%) in HSL. It carries no registered color name of its own; the closest named color is Phthalo Green (#123524), which is very hard to tell apart at a CIE76 distance of 4.25.
What is the RGB value of #183E2A?
#183E2A is rgb(24, 62, 42) — red 24, green 62, and blue 42 on the 0-255 scale.
What is the CMYK value of #183E2A?
#183E2A converts to approximately cmyk(61%, 0%, 32%, 76%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #183E2A be black or white?
White text is the more readable choice. #183E2A scores 11.92:1 against white and 1.76:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #183E2A as a CSS color keyword?
No. #183E2A 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 15.77, which is visibly different.
Open #183E2A in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.