#57B31C#57B31C

#57B31C is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 68.3% C 0.196 H 136.8°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#57B31C
RGB	rgb(87, 179, 28)
HSL	hsl(97, 73%, 41%)
HSV	hsv(97, 84%, 70%)
CMYK	cmyk(51.4%, 0%, 84.4%, 29.8%)
CIE-LAB	lab(65.24, -51.49, 61.26)
CIE-LCH	lch(65.24, 80.03, 130.05°)
OKLab	oklab(68.33% -0.1433 0.1344)
OKLCH	oklch(68.33% 0.196 136.8)
XYZ	xyz(20.2596, 34.3488, 6.6608)
Luminance	0.3435 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B31C #781CB3

analogous

#A2B31C #57B31C #1CB32C

triadic

#57B31C #1C57B3 #B31C57

tetradic

#57B31C #1CA2B3 #781CB3 #B32C1C

square

#57B31C #1CA2B3 #781CB3 #B32C1C

split-complementary

#57B31C #2C1CB3 #B31CA2

monochromatic

#24490B #3D7E14 #57B31C #73DE2E #96E763

Accessibility & contrast

On white

2.67

#57B31C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#57B31C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B31C

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B31C	#FFFFFF	#000000	##000000
##57B31C	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AD9C30

Tritanopia (blue-blind)

#51AC98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57b31c;
/* rgb */ color: rgb(87, 179, 28);
/* oklch */ color: oklch(68.3% 0.196 136.8);

Tailwind

colors: {
  custom: {
    50: '#90ca68',
    500: '#57b31c',
    950: '#000000',
  },
}

SCSS

$custom: #57b31c;
$custom-light: #90ca68;
$custom-dark: #000000;

JSON

{
  "hex": "#57b31c",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 28
  },
  "hsl": {
    "h": 96.556,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.6833,
    "c": 0.19644,
    "h": 136.8
  },
  "luminance": 0.3435
}

Semantic roles & 50–950 ramp

primary

#57B31C

secondary

#A15FCB

accent

#38F0A8

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #57B31C

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

Preview Lab → · Contrast checker → · Palette generator →