#57CA21#57CA21

#57CA21 is a light, highly saturated green. Relative luminance 0.444; OKLCH L 74.3% C 0.220 H 138.5°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#57CA21
RGB	rgb(87, 202, 33)
HSL	hsl(101, 72%, 46%)
HSV	hsv(101, 84%, 79%)
CMYK	cmyk(56.9%, 0%, 83.7%, 20.8%)
CIE-LAB	lab(72.48, -59.63, 66.51)
CIE-LCH	lch(72.48, 89.33, 131.88°)
OKLab	oklab(74.31% -0.1649 0.1461)
OKLCH	oklch(74.31% 0.22 138.5)
XYZ	xyz(25.3246, 44.3749, 8.6692)
Luminance	0.4438 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57CA21 #9421CA

analogous

#ABCA21 #57CA21 #21CA3F

triadic

#57CA21 #2157CA #CA2157

tetradic

#57CA21 #21ABCA #9421CA #CA3F21

square

#57CA21 #21ABCA #9421CA #CA3F21

split-complementary

#57CA21 #3F21CA #CA21AB

monochromatic

#2A6110 #409518 #57CA21 #78E147 #9FEA7C

Accessibility & contrast

On white

2.13

#57CA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#57CA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57CA21

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57CA21	#FFFFFF	#000000	##000000
##57CA21	1.00	2.13	9.88	9.88
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B800

Deuteranopia (green-blind)

#C2AE38

Tritanopia (blue-blind)

#4CC3AC

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #57ca21;
/* rgb */ color: rgb(87, 202, 33);
/* oklch */ color: oklch(74.3% 0.220 138.5);

Tailwind

colors: {
  custom: {
    50: '#93db6d',
    500: '#57ca21',
    950: '#000000',
  },
}

SCSS

$custom: #57ca21;
$custom-light: #93db6d;
$custom-dark: #000000;

JSON

{
  "hex": "#57ca21",
  "rgb": {
    "r": 87,
    "g": 202,
    "b": 33
  },
  "hsl": {
    "h": 100.828,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.7431,
    "c": 0.22028,
    "h": 138.5
  },
  "luminance": 0.44377
}

Semantic roles & 50–950 ramp

primary

#57CA21

secondary

#B475D2

accent

#39EFB5

background

#F9FDF7

surface

#F2FBED

border

#CCD4C8

text

#0E1508

muted

#7E837B

Preview Lab

Preview with #57CA21

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

Preview Lab → · Contrast checker → · Palette generator →