#57B231#57B231

#57B231 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.2% C 0.185 H 138.2°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#57B231
RGB	rgb(87, 178, 49)
HSL	hsl(102, 57%, 45%)
HSV	hsv(102, 72%, 70%)
CMYK	cmyk(51.1%, 0%, 72.5%, 30.2%)
CIE-LAB	lab(65.03, -49.89, 54.54)
CIE-LCH	lch(65.03, 73.91, 132.45°)
OKLab	oklab(68.19% -0.1378 0.1233)
OKLCH	oklch(68.19% 0.185 138.2)
XYZ	xyz(20.4045, 34.0873, 8.4094)
Luminance	0.3409 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B231 #8C31B2

analogous

#97B231 #57B231 #31B24C

triadic

#57B231 #3157B2 #B23157

tetradic

#57B231 #3197B2 #8C31B2 #B24C31

square

#57B231 #3197B2 #8C31B2 #B24C31

split-complementary

#57B231 #4C31B2 #B23197

monochromatic

#285217 #408224 #57B231 #76CF51 #9CDC81

Accessibility & contrast

On white

2.69

#57B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#57B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B231

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B231	#FFFFFF	#000000	##000000
##57B231	1.00	2.69	7.82	7.82
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.82	21.00	1.00	1.00
##000000	7.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A31A

Deuteranopia (green-blind)

#AC9B3E

Tritanopia (blue-blind)

#50AC99

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57b231;
/* rgb */ color: rgb(87, 178, 49);
/* oklch */ color: oklch(68.2% 0.185 138.2);

Tailwind

colors: {
  custom: {
    50: '#8fca71',
    500: '#57b231',
    950: '#000000',
  },
}

SCSS

$custom: #57b231;
$custom-light: #8fca71;
$custom-dark: #000000;

JSON

{
  "hex": "#57b231",
  "rgb": {
    "r": 87,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 102.326,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.68195,
    "c": 0.1849,
    "h": 138.2
  },
  "luminance": 0.34089
}

Semantic roles & 50–950 ramp

primary

#57B231

secondary

#AF79C5

accent

#48E0B3

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #57B231

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

Preview Lab → · Contrast checker → · Palette generator →