#21CA45 Color
#21CA45 is rgb(33, 202, 69) in RGB, hsl(133, 72%, 46%) in HSL, and about cmyk(84%, 0%, 66%, 21%) in CMYK. It has no registered color name of its own — the closest is Dark Pastel Green (#03C03C), very hard to tell apart at ΔE 3.51. Black text is the more readable choice on this background.
#21CA45rgb(33, 202, 69)hsl(133, 72%, 46%)hsv(133, 84%, 79%)cmyk(84%, 0%, 66%, 21%)oklch(73.3% 0.218 145.5)lab(71.58% -61.85 52.01)lch(71.58% 80.82 139.94)What #21CA45 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 #21CA45, 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.
#21CA45 Channel Values
How #21CA45 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 33 · G 202 · B 69 | 8-bit channels as sent to the display |
| HSL | H 133° · S 72% · L 46% | Easiest model for building lighter and darker variants |
| HSV | H 133° · S 84% · V 79% | Matches the picker in most design tools |
| CMYK | C 84% · M 0% · Y 66% · K 21% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.19:1 vs white · 9.6:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #21CA45 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 #21CA45 in the contrast checker.
Colors That Go With #21CA45
Pairings derived from color-wheel relationships. The complementary color sits opposite #21CA45; 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 #21CA45
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 #21CA45.
How #21CA45 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.
#21CA45#BABA46#95C146#AAAA4E#88B84A#51BFBF#43C49D#AFAFAFUsing #21CA45 in Code
Copy-ready declarations for the places this color usually ends up.
--color-21ca45: #21CA45;background-color: #21CA45;colors: { 'color-21ca45': '#21CA45' }Color(red: 0.129, green: 0.792, blue: 0.271)<color name="color_21ca45">#21CA45</color>fill="#21CA45"More Green Colors
#21CA45 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#21CA45 Frequently Asked Questions
What color is #21CA45?
#21CA45 is a mid-tone green — rgb(33, 202, 69) in RGB and hsl(133, 72%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Dark Pastel Green (#03C03C), which is very hard to tell apart at a CIE76 distance of 3.51.
What is the RGB value of #21CA45?
#21CA45 is rgb(33, 202, 69) — red 33, green 202, and blue 69 on the 0-255 scale.
What is the CMYK value of #21CA45?
#21CA45 converts to approximately cmyk(84%, 0%, 66%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #21CA45 be black or white?
Black text is the more readable choice. #21CA45 scores 2.19:1 against white and 9.6:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #21CA45 as a CSS color keyword?
No. #21CA45 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 8.12, which is clearly related but distinguishable side by side.
Open #21CA45 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.