#57B227#57B227

#57B227 is a light, vivid yellow-green. Relative luminance 0.340; OKLCH L 68.1% C 0.190 H 137.4°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#57B227
RGB	rgb(87, 178, 39)
HSL	hsl(99, 64%, 43%)
HSV	hsv(99, 78%, 70%)
CMYK	cmyk(51.1%, 0%, 78.1%, 30.2%)
CIE-LAB	lab(64.97, -50.55, 57.92)
CIE-LCH	lch(64.97, 76.88, 131.12°)
OKLab	oklab(68.13% -0.1402 0.1289)
OKLCH	oklch(68.13% 0.19 137.4)
XYZ	xyz(20.2164, 34.0120, 7.4187)
Luminance	0.3401 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B227 #8227B2

analogous

#9CB227 #57B227 #27B23D

triadic

#57B227 #2757B2 #B22757

tetradic

#57B227 #279CB2 #8227B2 #B23D27

square

#57B227 #279CB2 #8227B2 #B23D27

split-complementary

#57B227 #3D27B2 #B2279C

monochromatic

#264E11 #3E801C #57B227 #74D541 #99E073

Accessibility & contrast

On white

2.69

#57B227 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#57B227 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B227

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B227	#FFFFFF	#000000	##000000
##57B227	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AC9B37

Tritanopia (blue-blind)

#51AC98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57b227;
/* rgb */ color: rgb(87, 178, 39);
/* oklch */ color: oklch(68.1% 0.190 137.4);

Tailwind

colors: {
  custom: {
    50: '#8fca6c',
    500: '#57b227',
    950: '#000000',
  },
}

SCSS

$custom: #57b227;
$custom-light: #8fca6c;
$custom-dark: #000000;

JSON

{
  "hex": "#57b227",
  "rgb": {
    "r": 87,
    "g": 178,
    "b": 39
  },
  "hsl": {
    "h": 99.281,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.68126,
    "c": 0.19047,
    "h": 137.4
  },
  "luminance": 0.34014
}

Semantic roles & 50–950 ramp

primary

#57B227

secondary

#A86DC8

accent

#41E7AE

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #57B227

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

Preview Lab → · Contrast checker → · Palette generator →