#57AD1B#57AD1B

#57AD1B is a light, vivid yellow-green. Relative luminance 0.320; OKLCH L 66.8% C 0.190 H 136.3°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#57AD1B
RGB	rgb(87, 173, 27)
HSL	hsl(95, 73%, 39%)
HSV	hsv(95, 84%, 68%)
CMYK	cmyk(49.7%, 0%, 84.4%, 32.2%)
CIE-LAB	lab(63.34, -49.24, 59.81)
CIE-LCH	lch(63.34, 77.48, 129.46°)
OKLab	oklab(66.76% -0.1373 0.1312)
OKLCH	oklch(66.76% 0.19 136.3)
XYZ	xyz(19.0714, 31.9912, 6.2067)
Luminance	0.3199 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AD1B #711BAD

analogous

#A0AD1B #57AD1B #1BAD28

triadic

#57AD1B #1B57AD #AD1B57

tetradic

#57AD1B #1BA0AD #711BAD #AD281B

square

#57AD1B #1BA0AD #711BAD #AD281B

split-complementary

#57AD1B #281BAD #AD1BA0

monochromatic

#22430A #3C7813 #57AD1B #72DD28 #95E65D

Accessibility & contrast

On white

2.84

#57AD1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#57AD1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AD1B

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AD1B	#FFFFFF	#000000	##000000
##57AD1B	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E00

Deuteranopia (green-blind)

#A8972E

Tritanopia (blue-blind)

#53A693

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #57ad1b;
/* rgb */ color: rgb(87, 173, 27);
/* oklch */ color: oklch(66.8% 0.190 136.3);

Tailwind

colors: {
  custom: {
    50: '#8fc667',
    500: '#57ad1b',
    950: '#000000',
  },
}

SCSS

$custom: #57ad1b;
$custom-light: #8fc667;
$custom-dark: #000000;

JSON

{
  "hex": "#57ad1b",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 27
  },
  "hsl": {
    "h": 95.342,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.66762,
    "c": 0.18992,
    "h": 136.3
  },
  "luminance": 0.31993
}

Semantic roles & 50–950 ramp

primary

#57AD1B

secondary

#9C5ACA

accent

#38F0A4

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #57AD1B

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

Preview Lab → · Contrast checker → · Palette generator →