#66E357#66E357

#66E357 is a light, highly saturated green. Relative luminance 0.585; OKLCH L 81.6% C 0.212 H 141.6°. Best body text is #000000 at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#66E357
RGB	rgb(102, 227, 87)
HSL	hsl(114, 71%, 62%)
HSV	hsv(114, 62%, 89%)
CMYK	cmyk(55.1%, 0%, 61.7%, 11%)
CIE-LAB	lab(80.99, -60.81, 56.51)
CIE-LCH	lch(80.99, 83.01, 137.10°)
OKLab	oklab(81.58% -0.166 0.1317)
OKLCH	oklch(81.58% 0.212 141.6)
XYZ	xyz(34.6672, 58.4481, 18.4697)
Luminance	0.5845 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E357 #D457E3

analogous

#ACE357 #66E357 #57E38E

triadic

#66E357 #5766E3 #E35766

tetradic

#66E357 #57ACE3 #D457E3 #E38E57

square

#66E357 #57ACE3 #D457E3 #E38E57

split-complementary

#66E357 #8E57E3 #E357AC

monochromatic

#2AA41B #37D924 #66E357 #96EC8B #C6F4C0

Accessibility & contrast

On white

1.65

#66E357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.69

#66E357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E357

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E357	#FFFFFF	#000000	##000000
##66E357	1.00	1.65	12.69	12.69
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.69	21.00	1.00	1.00
##000000	12.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D047

Deuteranopia (green-blind)

#D8C563

Tritanopia (blue-blind)

#55DCC5

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #66e357;
/* rgb */ color: rgb(102, 227, 87);
/* oklch */ color: oklch(81.6% 0.212 141.6);

Tailwind

colors: {
  custom: {
    50: '#9ded8b',
    500: '#66e357',
    950: '#000000',
  },
}

SCSS

$custom: #66e357;
$custom-light: #9ded8b;
$custom-dark: #000000;

JSON

{
  "hex": "#66e357",
  "rgb": {
    "r": 102,
    "g": 227,
    "b": 87
  },
  "hsl": {
    "h": 113.571,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.81577,
    "c": 0.21188,
    "h": 141.6
  },
  "luminance": 0.58451
}

Semantic roles & 50–950 ramp

primary

#66E357

secondary

#9B38A7

accent

#12D3BF

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E357

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

Preview Lab → · Contrast checker → · Palette generator →