#57A321#57A321

#57A321 is a light, vivid yellow-green. Relative luminance 0.283; OKLCH L 64.2% C 0.175 H 135.7°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#57A321
RGB	rgb(87, 163, 33)
HSL	hsl(95, 66%, 38%)
HSV	hsv(95, 80%, 64%)
CMYK	cmyk(46.6%, 0%, 79.8%, 36.1%)
CIE-LAB	lab(60.19, -45.01, 55.27)
CIE-LCH	lch(60.19, 71.28, 129.16°)
OKLab	oklab(64.18% -0.1257 0.1225)
OKLCH	oklch(64.18% 0.175 135.7)
XYZ	xyz(17.3018, 28.3293, 5.9950)
Luminance	0.2833 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A321 #6D21A3

analogous

#98A321 #57A321 #21A32C

triadic

#57A321 #2157A3 #A32157

tetradic

#57A321 #2198A3 #6D21A3 #A32C21

square

#57A321 #2198A3 #6D21A3 #A32C21

split-complementary

#57A321 #2C21A3 #A32198

monochromatic

#213D0C #3C7017 #57A321 #72D42D #94DF60

Accessibility & contrast

On white

3.15

#57A321 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#57A321 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #57A321

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A321	#FFFFFF	#000000	##000000
##57A321	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99500

Deuteranopia (green-blind)

#9F8F30

Tritanopia (blue-blind)

#549D8B

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #57a321;
/* rgb */ color: rgb(87, 163, 33);
/* oklch */ color: oklch(64.2% 0.175 135.7);

Tailwind

colors: {
  custom: {
    50: '#8ebf68',
    500: '#57a321',
    950: '#000000',
  },
}

SCSS

$custom: #57a321;
$custom-light: #8ebf68;
$custom-dark: #000000;

JSON

{
  "hex": "#57a321",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 33
  },
  "hsl": {
    "h": 95.077,
    "s": 66.327,
    "l": 38.431
  },
  "oklch": {
    "l": 0.64179,
    "c": 0.17549,
    "h": 135.7
  },
  "luminance": 0.2833
}

Semantic roles & 50–950 ramp

primary

#57A321

secondary

#995CC3

accent

#3FE9A2

background

#F9FBF6

surface

#F1F7EB

border

#CBD0C6

text

#0D1207

muted

#7E817A

Preview Lab

Preview with #57A321

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

Preview Lab → · Contrast checker → · Palette generator →