#57EF6B#57EF6B

#57EF6B is a very light, highly saturated green. Relative luminance 0.648; OKLCH L 84.3% C 0.217 H 145.6°. Best body text is #000000 at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#57EF6B
RGB	rgb(87, 239, 107)
HSL	hsl(128, 83%, 64%)
HSV	hsv(128, 64%, 94%)
CMYK	cmyk(63.6%, 0%, 55.2%, 6.3%)
CIE-LAB	lab(84.39, -66.16, 51.53)
CIE-LCH	lch(84.39, 83.86, 142.09°)
OKLab	oklab(84.33% -0.1789 0.1227)
OKLCH	oklch(84.33% 0.217 145.6)
XYZ	xyz(37.4484, 64.8170, 24.4445)
Luminance	0.6482 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57EF6B #EF57DB

analogous

#8FEF57 #57EF6B #57EFB7

triadic

#57EF6B #6B57EF #EF6B57

tetradic

#57EF6B #578FEF #EF57DB #EFB757

square

#57EF6B #578FEF #EF57DB #EFB757

split-complementary

#57EF6B #B757EF #EF578F

monochromatic

#12BA28 #1FEA3A #57EF6B #8FF49C #C7FACD

Accessibility & contrast

On white

1.50

#57EF6B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.96

#57EF6B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57EF6B

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57EF6B	#FFFFFF	#000000	##000000
##57EF6B	1.00	1.50	13.96	13.96
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.96	21.00	1.00	1.00
##000000	13.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DA5E

Deuteranopia (green-blind)

#E0CE75

Tritanopia (blue-blind)

#2EE9D2

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #57ef6b;
/* rgb */ color: rgb(87, 239, 107);
/* oklch */ color: oklch(84.3% 0.217 145.6);

Tailwind

colors: {
  custom: {
    50: '#96f599',
    500: '#57ef6b',
    950: '#000000',
  },
}

SCSS

$custom: #57ef6b;
$custom-light: #96f599;
$custom-dark: #000000;

JSON

{
  "hex": "#57ef6b",
  "rgb": {
    "r": 87,
    "g": 239,
    "b": 107
  },
  "hsl": {
    "h": 127.895,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.84327,
    "c": 0.21692,
    "h": 145.6
  },
  "luminance": 0.64821
}

Semantic roles & 50–950 ramp

primary

#57EF6B

secondary

#B931A7

accent

#06C3DF

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #57EF6B

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

Preview Lab → · Contrast checker → · Palette generator →