#57B023#57B023

#57B023 is a light, vivid yellow-green. Relative luminance 0.332; OKLCH L 67.6% C 0.190 H 137.0°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#57B023
RGB	rgb(87, 176, 35)
HSL	hsl(98, 67%, 41%)
HSV	hsv(98, 80%, 69%)
CMYK	cmyk(50.6%, 0%, 80.1%, 31%)
CIE-LAB	lab(64.32, -50.01, 58.53)
CIE-LCH	lch(64.32, 76.99, 130.51°)
OKLab	oklab(67.58% -0.139 0.1296)
OKLCH	oklch(67.58% 0.19 137)
XYZ	xyz(19.7586, 33.1968, 6.9562)
Luminance	0.3320 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B023 #7C23B0

analogous

#9EB023 #57B023 #23B035

triadic

#57B023 #2357B0 #B02357

tetradic

#57B023 #239EB0 #7C23B0 #B03523

square

#57B023 #239EB0 #7C23B0 #B03523

split-complementary

#57B023 #3523B0 #B0239E

monochromatic

#254A0F #3E7D19 #57B023 #73D839 #97E26C

Accessibility & contrast

On white

2.75

#57B023 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#57B023 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B023

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B023	#FFFFFF	#000000	##000000
##57B023	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A000

Deuteranopia (green-blind)

#AB9934

Tritanopia (blue-blind)

#52A996

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #57b023;
/* rgb */ color: rgb(87, 176, 35);
/* oklch */ color: oklch(67.6% 0.190 137.0);

Tailwind

colors: {
  custom: {
    50: '#8fc86a',
    500: '#57b023',
    950: '#000000',
  },
}

SCSS

$custom: #57b023;
$custom-light: #8fc86a;
$custom-dark: #000000;

JSON

{
  "hex": "#57b023",
  "rgb": {
    "r": 87,
    "g": 176,
    "b": 35
  },
  "hsl": {
    "h": 97.872,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67583,
    "c": 0.19004,
    "h": 137
  },
  "luminance": 0.33198
}

Semantic roles & 50–950 ramp

primary

#57B023

secondary

#A467C8

accent

#3EEAAA

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #57B023

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

Preview Lab → · Contrast checker → · Palette generator →