#57B551#57B551

#57B551 is a light, vivid green. Relative luminance 0.357; OKLCH L 69.3% C 0.164 H 142.5°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#57B551
RGB	rgb(87, 181, 81)
HSL	hsl(116, 40%, 51%)
HSV	hsv(116, 55%, 71%)
CMYK	cmyk(51.9%, 0%, 55.2%, 29%)
CIE-LAB	lab(66.26, -47.88, 42.08)
CIE-LCH	lch(66.26, 63.74, 138.69°)
OKLab	oklab(69.3% -0.1304 0.1002)
OKLCH	oklch(69.3% 0.164 142.5)
XYZ	xyz(21.9385, 35.6663, 13.5112)
Luminance	0.3567 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B551 #AF51B5

analogous

#89B551 #57B551 #51B57D

triadic

#57B551 #5157B5 #B55157

tetradic

#57B551 #5189B5 #AF51B5 #B57D51

square

#57B551 #5189B5 #AF51B5 #B57D51

split-complementary

#57B551 #7D51B5 #B55189

monochromatic

#2D622A #418D3C #57B551 #80C77C #AADAA7

Accessibility & contrast

On white

2.58

#57B551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.13

#57B551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B551

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B551	#FFFFFF	#000000	##000000
##57B551	1.00	2.58	8.13	8.13
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.13	21.00	1.00	1.00
##000000	8.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A648

Deuteranopia (green-blind)

#AC9E58

Tritanopia (blue-blind)

#4BB09F

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #57b551;
/* rgb */ color: rgb(87, 181, 81);
/* oklch */ color: oklch(69.3% 0.164 142.5);

Tailwind

colors: {
  custom: {
    50: '#8ecc84',
    500: '#57b551',
    950: '#000000',
  },
}

SCSS

$custom: #57b551;
$custom-light: #8ecc84;
$custom-dark: #000000;

JSON

{
  "hex": "#57b551",
  "rgb": {
    "r": 87,
    "g": 181,
    "b": 81
  },
  "hsl": {
    "h": 116.4,
    "s": 40.323,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69301,
    "c": 0.16446,
    "h": 142.5
  },
  "luminance": 0.35668
}

Semantic roles & 50–950 ramp

primary

#57B551

secondary

#C49BC7

accent

#58D0C9

background

#F9FCF8

surface

#F1F9EF

border

#CBD2CA

text

#0D130B

muted

#7E827C

Preview Lab

Preview with #57B551

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

Preview Lab → · Contrast checker → · Palette generator →