#1DDD33 Color
#1DDD33 is rgb(29, 221, 51) in RGB, hsl(127, 77%, 49%) in HSL, and about cmyk(87%, 0%, 77%, 13%) in CMYK. It has no registered color name of its own — the closest is Vivid Malachite (#00CC33), clearly related but distinguishable side by side at ΔE 8.3. Black text is the more readable choice on this background.
#1DDD33rgb(29, 221, 51)hsl(127, 77%, 49%)hsv(127, 87%, 87%)cmyk(87%, 0%, 77%, 13%)oklch(78.1% 0.249 143.7)lab(77.47% -68.42 64.19)lch(77.47% 93.82 136.83)What #1DDD33 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 #1DDD33, 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.
#1DDD33 Channel Values
How #1DDD33 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 221 · B 51 | 8-bit channels as sent to the display |
| HSL | H 127° · S 77% · L 49% | Easiest model for building lighter and darker variants |
| HSV | H 127° · S 87% · V 87% | Matches the picker in most design tools |
| CMYK | C 87% · M 0% · Y 77% · K 13% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.84:1 vs white · 11.44:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #1DDD33 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 #1DDD33 in the contrast checker.
Colors That Go With #1DDD33
Pairings derived from color-wheel relationships. The complementary color sits opposite #1DDD33; 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 #1DDD33
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 #1DDD33.
How #1DDD33 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.
#1DDD33#CCCC36#A3D335#B9B941#94C93C#59D1D1#48D6A9#BFBFBFUsing #1DDD33 in Code
Copy-ready declarations for the places this color usually ends up.
--color-1ddd33: #1DDD33;background-color: #1DDD33;colors: { 'color-1ddd33': '#1DDD33' }Color(red: 0.114, green: 0.867, blue: 0.200)<color name="color_1ddd33">#1DDD33</color>fill="#1DDD33"More Green Colors
#1DDD33 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#1DDD33 Frequently Asked Questions
What color is #1DDD33?
#1DDD33 is a mid-tone green — rgb(29, 221, 51) in RGB and hsl(127, 77%, 49%) in HSL. It carries no registered color name of its own; the closest named color is Vivid Malachite (#00CC33), which is clearly related but distinguishable side by side at a CIE76 distance of 8.3.
What is the RGB value of #1DDD33?
#1DDD33 is rgb(29, 221, 51) — red 29, green 221, and blue 51 on the 0-255 scale.
What is the CMYK value of #1DDD33?
#1DDD33 converts to approximately cmyk(87%, 0%, 77%, 13%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #1DDD33 be black or white?
Black text is the more readable choice. #1DDD33 scores 1.84:1 against white and 11.44:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #1DDD33 as a CSS color keyword?
No. #1DDD33 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 limegreen (#32CD32) at a CIE76 distance of 9.11, which is clearly related but distinguishable side by side.
Open #1DDD33 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.