#57B423#57B423

#57B423 is a light, vivid yellow-green. Relative luminance 0.348; OKLCH L 68.6% C 0.195 H 137.3°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#57B423
RGB	rgb(87, 180, 35)
HSL	hsl(98, 67%, 42%)
HSV	hsv(98, 81%, 71%)
CMYK	cmyk(51.7%, 0%, 80.6%, 29.4%)
CIE-LAB	lab(65.58, -51.54, 59.70)
CIE-LCH	lch(65.58, 78.87, 130.80°)
OKLab	oklab(68.62% -0.1431 0.1321)
OKLCH	oklch(68.62% 0.195 137.3)
XYZ	xyz(20.5545, 34.7886, 7.2215)
Luminance	0.3479 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B423 #8023B4

analogous

#A0B423 #57B423 #23B438

triadic

#57B423 #2357B4 #B42357

tetradic

#57B423 #23A0B4 #8023B4 #B43823

square

#57B423 #23A0B4 #8023B4 #B43823

split-complementary

#57B423 #3823B4 #B423A0

monochromatic

#254E0F #3E8119 #57B423 #74D93B #98E36E

Accessibility & contrast

On white

2.64

#57B423 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#57B423 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B423

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B423	#FFFFFF	#000000	##000000
##57B423	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#AE9C34

Tritanopia (blue-blind)

#51AD9A

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #57b423;
/* rgb */ color: rgb(87, 180, 35);
/* oklch */ color: oklch(68.6% 0.195 137.3);

Tailwind

colors: {
  custom: {
    50: '#90cb6b',
    500: '#57b423',
    950: '#000000',
  },
}

SCSS

$custom: #57b423;
$custom-light: #90cb6b;
$custom-dark: #000000;

JSON

{
  "hex": "#57b423",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 35
  },
  "hsl": {
    "h": 98.483,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.68624,
    "c": 0.19472,
    "h": 137.3
  },
  "luminance": 0.3479
}

Semantic roles & 50–950 ramp

primary

#57B423

secondary

#A769C9

accent

#3DEAAC

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #57B423

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

Preview Lab → · Contrast checker → · Palette generator →