#57B123#57B123

#57B123 is a light, vivid yellow-green. Relative luminance 0.336; OKLCH L 67.8% C 0.191 H 137.1°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#57B123
RGB	rgb(87, 177, 35)
HSL	hsl(98, 67%, 42%)
HSV	hsv(98, 80%, 69%)
CMYK	cmyk(50.8%, 0%, 80.2%, 30.6%)
CIE-LAB	lab(64.64, -50.40, 58.82)
CIE-LCH	lch(64.64, 77.46, 130.59°)
OKLab	oklab(67.84% -0.14 0.1302)
OKLCH	oklch(67.84% 0.191 137.1)
XYZ	xyz(19.9554, 33.5904, 7.0218)
Luminance	0.3359 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B123 #7D23B1

analogous

#9EB123 #57B123 #23B136

triadic

#57B123 #2357B1 #B12357

tetradic

#57B123 #239EB1 #7D23B1 #B13623

square

#57B123 #239EB1 #7D23B1 #B13623

split-complementary

#57B123 #3623B1 #B1239E

monochromatic

#254B0F #3E7E19 #57B123 #73D839 #97E26C

Accessibility & contrast

On white

2.72

#57B123 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#57B123 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B123

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B123	#FFFFFF	#000000	##000000
##57B123	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#AB9A34

Tritanopia (blue-blind)

#51AA97

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #57b123;
/* rgb */ color: rgb(87, 177, 35);
/* oklch */ color: oklch(67.8% 0.191 137.1);

Tailwind

colors: {
  custom: {
    50: '#8fc96a',
    500: '#57b123',
    950: '#000000',
  },
}

SCSS

$custom: #57b123;
$custom-light: #8fc96a;
$custom-dark: #000000;

JSON

{
  "hex": "#57b123",
  "rgb": {
    "r": 87,
    "g": 177,
    "b": 35
  },
  "hsl": {
    "h": 98.028,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67843,
    "c": 0.19122,
    "h": 137.1
  },
  "luminance": 0.33592
}

Semantic roles & 50–950 ramp

primary

#57B123

secondary

#A568C8

accent

#3EEAAB

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #57B123

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

Preview Lab → · Contrast checker → · Palette generator →