#66E057#66E057

#66E057 is a light, highly saturated green. Relative luminance 0.568; OKLCH L 80.8% C 0.208 H 141.5°. Best body text is #000000 at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#66E057
RGB	rgb(102, 224, 87)
HSL	hsl(113, 69%, 61%)
HSV	hsv(113, 61%, 88%)
CMYK	cmyk(54.5%, 0%, 61.2%, 12.2%)
CIE-LAB	lab(80.08, -59.71, 55.49)
CIE-LCH	lch(80.08, 81.51, 137.10°)
OKLab	oklab(80.83% -0.163 0.1295)
OKLCH	oklch(80.83% 0.208 141.5)
XYZ	xyz(33.8538, 56.8214, 18.1986)
Luminance	0.5682 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E057 #D157E0

analogous

#AAE057 #66E057 #57E08C

triadic

#66E057 #5766E0 #E05766

tetradic

#66E057 #57AAE0 #D157E0 #E08C57

square

#66E057 #57AAE0 #D157E0 #E08C57

split-complementary

#66E057 #8C57E0 #E057AA

monochromatic

#2C9F1D #3AD327 #66E057 #95EA8B #C4F3BE

Accessibility & contrast

On white

1.70

#66E057 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.36

#66E057 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E057

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E057	#FFFFFF	#000000	##000000
##66E057	1.00	1.70	12.36	12.36
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.36	21.00	1.00	1.00
##000000	12.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD47

Deuteranopia (green-blind)

#D5C362

Tritanopia (blue-blind)

#56D9C3

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #66e057;
/* rgb */ color: rgb(102, 224, 87);
/* oklch */ color: oklch(80.8% 0.208 141.5);

Tailwind

colors: {
  custom: {
    50: '#9ceb8b',
    500: '#66e057',
    950: '#000000',
  },
}

SCSS

$custom: #66e057;
$custom-light: #9ceb8b;
$custom-dark: #000000;

JSON

{
  "hex": "#66e057",
  "rgb": {
    "r": 102,
    "g": 224,
    "b": 87
  },
  "hsl": {
    "h": 113.431,
    "s": 68.844,
    "l": 60.98
  },
  "oklch": {
    "l": 0.80829,
    "c": 0.20819,
    "h": 141.5
  },
  "luminance": 0.56824
}

Semantic roles & 50–950 ramp

primary

#66E057

secondary

#9739A2

accent

#15D1BC

background

#FCFEFC

surface

#F6FDF4

border

#D0D5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66E057

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

Preview Lab → · Contrast checker → · Palette generator →