#57A428#57A428

#57A428 is a light, vivid yellow-green. Relative luminance 0.287; OKLCH L 64.5% C 0.173 H 136.3°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#57A428
RGB	rgb(87, 164, 40)
HSL	hsl(97, 61%, 40%)
HSV	hsv(97, 76%, 64%)
CMYK	cmyk(47%, 0%, 75.6%, 35.7%)
CIE-LAB	lab(60.54, -44.99, 53.30)
CIE-LCH	lch(60.54, 69.76, 130.17°)
OKLab	oklab(64.49% -0.1252 0.1194)
OKLCH	oklch(64.49% 0.173 136.3)
XYZ	xyz(17.5885, 28.7292, 6.6256)
Luminance	0.2873 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A428 #7528A4

analogous

#95A428 #57A428 #28A437

triadic

#57A428 #2857A4 #A42857

tetradic

#57A428 #2895A4 #7528A4 #A43728

square

#57A428 #2895A4 #7528A4 #A43728

split-complementary

#57A428 #3728A4 #A42895

monochromatic

#234210 #3D731C #57A428 #73CF3A #96DB6B

Accessibility & contrast

On white

3.11

#57A428 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#57A428 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #57A428

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A428	#FFFFFF	#000000	##000000
##57A428	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA960D

Deuteranopia (green-blind)

#A09035

Tritanopia (blue-blind)

#539E8C

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #57a428;
/* rgb */ color: rgb(87, 164, 40);
/* oklch */ color: oklch(64.5% 0.173 136.3);

Tailwind

colors: {
  custom: {
    50: '#8dbf6b',
    500: '#57a428',
    950: '#000000',
  },
}

SCSS

$custom: #57a428;
$custom-light: #8dbf6b;
$custom-dark: #000000;

JSON

{
  "hex": "#57a428",
  "rgb": {
    "r": 87,
    "g": 164,
    "b": 40
  },
  "hsl": {
    "h": 97.258,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.64485,
    "c": 0.17301,
    "h": 136.3
  },
  "luminance": 0.2873
}

Semantic roles & 50–950 ramp

primary

#57A428

secondary

#9F66C1

accent

#44E4A7

background

#F9FBF6

surface

#F1F7EC

border

#CBD0C7

text

#0D1207

muted

#7E817A

Preview Lab

Preview with #57A428

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

Preview Lab → · Contrast checker → · Palette generator →