#57B328#57B328

#57B328 is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 68.4% C 0.191 H 137.5°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#57B328
RGB	rgb(87, 179, 40)
HSL	hsl(100, 63%, 43%)
HSV	hsv(100, 78%, 70%)
CMYK	cmyk(51.4%, 0%, 77.7%, 29.8%)
CIE-LAB	lab(65.29, -50.88, 57.91)
CIE-LCH	lch(65.29, 77.08, 131.30°)
OKLab	oklab(68.39% -0.141 0.1291)
OKLCH	oklch(68.39% 0.191 137.5)
XYZ	xyz(20.4329, 34.4181, 7.5737)
Luminance	0.3442 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B328 #8428B3

analogous

#9CB328 #57B328 #28B33E

triadic

#57B328 #2857B3 #B32857

tetradic

#57B328 #289CB3 #8428B3 #B33E28

square

#57B328 #289CB3 #8428B3 #B33E28

split-complementary

#57B328 #3E28B3 #B3289C

monochromatic

#264F12 #3F811D #57B328 #74D543 #99E075

Accessibility & contrast

On white

2.66

#57B328 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#57B328 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B328

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B328	#FFFFFF	#000000	##000000
##57B328	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A301

Deuteranopia (green-blind)

#AD9C37

Tritanopia (blue-blind)

#51AD99

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57b328;
/* rgb */ color: rgb(87, 179, 40);
/* oklch */ color: oklch(68.4% 0.191 137.5);

Tailwind

colors: {
  custom: {
    50: '#8fca6d',
    500: '#57b328',
    950: '#000000',
  },
}

SCSS

$custom: #57b328;
$custom-light: #8fca6d;
$custom-dark: #000000;

JSON

{
  "hex": "#57b328",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 40
  },
  "hsl": {
    "h": 99.712,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.68392,
    "c": 0.19115,
    "h": 137.5
  },
  "luminance": 0.3442
}

Semantic roles & 50–950 ramp

primary

#57B328

secondary

#AA6FC8

accent

#41E6AF

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #57B328

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

Preview Lab → · Contrast checker → · Palette generator →