#99DD5A Color
#99DD5A is rgb(153, 221, 90) in RGB, hsl(91, 66%, 61%) in HSL, and about cmyk(31%, 0%, 59%, 13%) in CMYK. It has no registered color name of its own — the closest is Inchworm (#B2EC5D), clearly related but distinguishable side by side at ΔE 8.46. Black text is the more readable choice on this background.
#99DD5Argb(153, 221, 90)hsl(91, 66%, 61%)hsv(91, 59%, 87%)cmyk(31%, 0%, 59%, 13%)oklch(82.5% 0.177 132.2)lab(81.59% -38.05 55.55)lch(81.59% 67.34 124.41)What #99DD5A 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 #99DD5A, 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.
#99DD5A Channel Values
How #99DD5A 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 153 · G 221 · B 90 | 8-bit channels as sent to the display |
| HSL | H 91° · S 66% · L 61% | Easiest model for building lighter and darker variants |
| HSV | H 91° · S 59% · V 87% | Matches the picker in most design tools |
| CMYK | C 31% · M 0% · Y 59% · K 13% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.63:1 vs white · 12.84:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #99DD5A 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 #99DD5A in the contrast checker.
Colors That Go With #99DD5A
Pairings derived from color-wheel relationships. The complementary color sits opposite #99DD5A; 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 #99DD5A
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 #99DD5A.
How #99DD5A 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.
#99DD5A#D3D35B#BFD75A#CACA5F#B8D25D#A9D2D2#A3D7AF#CACACAUsing #99DD5A in Code
Copy-ready declarations for the places this color usually ends up.
--color-99dd5a: #99DD5A;background-color: #99DD5A;colors: { 'color-99dd5a': '#99DD5A' }Color(red: 0.600, green: 0.867, blue: 0.353)<color name="color_99dd5a">#99DD5A</color>fill="#99DD5A"More Green Colors
#99DD5A sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#99DD5A Frequently Asked Questions
What color is #99DD5A?
#99DD5A is a light green — rgb(153, 221, 90) in RGB and hsl(91, 66%, 61%) in HSL. It carries no registered color name of its own; the closest named color is Inchworm (#B2EC5D), which is clearly related but distinguishable side by side at a CIE76 distance of 8.46.
What is the RGB value of #99DD5A?
#99DD5A is rgb(153, 221, 90) — red 153, green 221, and blue 90 on the 0-255 scale.
What is the CMYK value of #99DD5A?
#99DD5A converts to approximately cmyk(31%, 0%, 59%, 13%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #99DD5A be black or white?
Black text is the more readable choice. #99DD5A scores 1.63:1 against white and 12.84:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #99DD5A as a CSS color keyword?
No. #99DD5A 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 yellowgreen (#9ACD32) at a CIE76 distance of 12.21, which is visibly different.
Open #99DD5A in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.