#66F0AF Color
#66F0AF is rgb(102, 240, 175) in RGB, hsl(152, 82%, 67%) in HSL, and about cmyk(57%, 0%, 27%, 6%) in CMYK. It has no registered color name of its own — the closest is Spearmint (#4FE7B0), clearly related but distinguishable side by side at ΔE 6.18. Black text is the more readable choice on this background.
#66F0AFrgb(102, 240, 175)hsl(152, 82%, 67%)hsv(152, 57%, 94%)cmyk(57%, 0%, 27%, 6%)oklch(86.2% 0.152 160.1)lab(86.02% -50.51 19.76)lch(86.02% 54.23 158.64)What #66F0AF 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 #66F0AF, 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.
#66F0AF Channel Values
How #66F0AF 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 102 · G 240 · B 175 | 8-bit channels as sent to the display |
| HSL | H 152° · S 82% · L 67% | Easiest model for building lighter and darker variants |
| HSV | H 152° · S 57% · V 94% | Matches the picker in most design tools |
| CMYK | C 57% · M 0% · Y 27% · K 6% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.43:1 vs white · 14.65:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #66F0AF 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 #66F0AF in the contrast checker.
Colors That Go With #66F0AF
Pairings derived from color-wheel relationships. The complementary color sits opposite #66F0AF; 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 #66F0AF
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 #66F0AF.
How #66F0AF 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.
#66F0AF#E0E0B0#BCE7AF#CFCFB3#AFDDB1#78E9E9#72ECD4#D7D7D7Using #66F0AF in Code
Copy-ready declarations for the places this color usually ends up.
--color-66f0af: #66F0AF;background-color: #66F0AF;colors: { 'color-66f0af': '#66F0AF' }Color(red: 0.400, green: 0.941, blue: 0.686)<color name="color_66f0af">#66F0AF</color>fill="#66F0AF"More Green Colors
#66F0AF sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#66F0AF Frequently Asked Questions
What color is #66F0AF?
#66F0AF is a light green — rgb(102, 240, 175) in RGB and hsl(152, 82%, 67%) in HSL. It carries no registered color name of its own; the closest named color is Spearmint (#4FE7B0), which is clearly related but distinguishable side by side at a CIE76 distance of 6.18.
What is the RGB value of #66F0AF?
#66F0AF is rgb(102, 240, 175) — red 102, green 240, and blue 175 on the 0-255 scale.
What is the CMYK value of #66F0AF?
#66F0AF converts to approximately cmyk(57%, 0%, 27%, 6%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #66F0AF be black or white?
Black text is the more readable choice. #66F0AF scores 1.43:1 against white and 14.65:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #66F0AF as a CSS color keyword?
No. #66F0AF 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 aquamarine (#7FFFD4) at a CIE76 distance of 13.37, which is visibly different.
Open #66F0AF in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.