#1D8B23 Color
#1D8B23 is rgb(29, 139, 35) in RGB, hsl(123, 65%, 33%) in HSL, and about cmyk(79%, 0%, 75%, 45%) in CMYK. It has no registered color name of its own — the closest is Forest Green (#228B22), indistinguishable to the eye at ΔE 0.88. Black text is the more readable choice on this background.
#1D8B23rgb(29, 139, 35)hsl(123, 65%, 33%)hsv(123, 79%, 55%)cmyk(79%, 0%, 75%, 45%)oklch(55.7% 0.17 143.5)lab(50.55% -46.44 43.54)lch(50.55% 63.66 136.85)What #1D8B23 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 #1D8B23, 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.
#1D8B23 Channel Values
How #1D8B23 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 29 · G 139 · B 35 | 8-bit channels as sent to the display |
| HSL | H 123° · S 65% · L 33% | Easiest model for building lighter and darker variants |
| HSV | H 123° · S 79% · V 55% | Matches the picker in most design tools |
| CMYK | C 79% · M 0% · Y 75% · K 45% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.4:1 vs white · 4.77:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #1D8B23 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 #1D8B23 in the contrast checker.
Colors That Go With #1D8B23
Pairings derived from color-wheel relationships. The complementary color sits opposite #1D8B23; 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 #1D8B23
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 #1D8B23.
How #1D8B23 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.
#1D8B23#808024#678524#75752B#5E7E28#3B8383#31866A#787878Using #1D8B23 in Code
Copy-ready declarations for the places this color usually ends up.
--color-1d8b23: #1D8B23;background-color: #1D8B23;colors: { 'color-1d8b23': '#1D8B23' }Color(red: 0.114, green: 0.545, blue: 0.137)<color name="color_1d8b23">#1D8B23</color>fill="#1D8B23"More Green Colors
#1D8B23 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#1D8B23 Frequently Asked Questions
What color is #1D8B23?
#1D8B23 is a dark green — rgb(29, 139, 35) in RGB and hsl(123, 65%, 33%) in HSL. It carries no registered color name of its own; the closest named color is Forest Green (#228B22), which is indistinguishable to the eye at a CIE76 distance of 0.88.
What is the RGB value of #1D8B23?
#1D8B23 is rgb(29, 139, 35) — red 29, green 139, and blue 35 on the 0-255 scale.
What is the CMYK value of #1D8B23?
#1D8B23 converts to approximately cmyk(79%, 0%, 75%, 45%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #1D8B23 be black or white?
Black text is the more readable choice. #1D8B23 scores 4.4:1 against white and 4.77:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #1D8B23 as a CSS color keyword?
No. #1D8B23 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 0.88, which is indistinguishable to the eye.
Open #1D8B23 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.