#66F59D#66F59D

#66F59D is a very light, vivid green. Relative luminance 0.706; OKLCH L 87.0% C 0.175 H 153.5°. Best body text is #000000 at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#66F59D
RGB	rgb(102, 245, 157)
HSL	hsl(143, 88%, 68%)
HSV	hsv(143, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 35.9%, 3.9%)
CIE-LAB	lab(87.27, -57.72, 31.11)
CIE-LCH	lch(87.27, 65.57, 151.67°)
OKLab	oklab(87.04% -0.1565 0.0779)
OKLCH	oklch(87.04% 0.175 153.5)
XYZ	xyz(44.2142, 70.5597, 43.1811)
Luminance	0.7056 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F59D #F566BE

analogous

#76F566 #66F59D #66F5E4

triadic

#66F59D #9D66F5 #F59D66

tetradic

#66F59D #6676F5 #F566BE #F5E466

square

#66F59D #6676F5 #F566BE #F5E466

split-complementary

#66F59D #E466F5 #F56676

monochromatic

#0ED35A #2DF178 #66F59D #9FF9C2 #D9FDE7

Accessibility & contrast

On white

1.39

#66F59D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.11

#66F59D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F59D

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F59D	#FFFFFF	#000000	##000000
##66F59D	1.00	1.39	15.11	15.11
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.11	21.00	1.00	1.00
##000000	15.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5E397

Deuteranopia (green-blind)

#E2D5A3

Tritanopia (blue-blind)

#36F2DF

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f59d;
/* rgb */ color: rgb(102, 245, 157);
/* oklch */ color: oklch(87.0% 0.175 153.5);

Tailwind

colors: {
  custom: {
    50: '#9df9ba',
    500: '#66f59d',
    950: '#000000',
  },
}

SCSS

$custom: #66f59d;
$custom-light: #9df9ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66f59d",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 157
  },
  "hsl": {
    "h": 143.077,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87036,
    "c": 0.17482,
    "h": 153.5
  },
  "luminance": 0.70564
}

Semantic roles & 50–950 ramp

primary

#66F59D

secondary

#CE3192

accent

#018DE4

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F59D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →