#57A91B#57A91B

#57A91B is a light, vivid yellow-green. Relative luminance 0.305; OKLCH L 65.7% C 0.185 H 136.0°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#57A91B
RGB	rgb(87, 169, 27)
HSL	hsl(95, 72%, 38%)
HSV	hsv(95, 84%, 66%)
CMYK	cmyk(48.5%, 0%, 84%, 33.7%)
CIE-LAB	lab(62.07, -47.69, 58.68)
CIE-LCH	lch(62.07, 75.62, 129.10°)
OKLab	oklab(65.72% -0.1332 0.1288)
OKLCH	oklch(65.72% 0.185 136)
XYZ	xyz(18.3158, 30.4801, 5.9548)
Luminance	0.3048 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A91B #6D1BA9

analogous

#9EA91B #57A91B #1BA926

triadic

#57A91B #1B57A9 #A91B57

tetradic

#57A91B #1B9EA9 #6D1BA9 #A9261B

square

#57A91B #1B9EA9 #6D1BA9 #A9261B

split-complementary

#57A91B #261BA9 #A91B9E

monochromatic

#213F0A #3C7413 #57A91B #72DC25 #94E55A

Accessibility & contrast

On white

2.96

#57A91B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#57A91B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A91B

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A91B	#FFFFFF	#000000	##000000
##57A91B	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9A00

Deuteranopia (green-blind)

#A5942D

Tritanopia (blue-blind)

#53A290

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #57a91b;
/* rgb */ color: rgb(87, 169, 27);
/* oklch */ color: oklch(65.7% 0.185 136.0);

Tailwind

colors: {
  custom: {
    50: '#8fc366',
    500: '#57a91b',
    950: '#000000',
  },
}

SCSS

$custom: #57a91b;
$custom-light: #8fc366;
$custom-dark: #000000;

JSON

{
  "hex": "#57a91b",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 27
  },
  "hsl": {
    "h": 94.648,
    "s": 72.449,
    "l": 38.431
  },
  "oklch": {
    "l": 0.65717,
    "c": 0.18527,
    "h": 136
  },
  "luminance": 0.30481
}

Semantic roles & 50–950 ramp

primary

#57A91B

secondary

#9958C8

accent

#39EFA2

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1207

muted

#7E817A

Preview Lab

Preview with #57A91B

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

Preview Lab → · Contrast checker → · Palette generator →