#57AD21#57AD21

#57AD21 is a light, vivid yellow-green. Relative luminance 0.320; OKLCH L 66.8% C 0.187 H 136.6°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#57AD21
RGB	rgb(87, 173, 33)
HSL	hsl(97, 68%, 40%)
HSV	hsv(97, 81%, 68%)
CMYK	cmyk(49.7%, 0%, 80.9%, 32.2%)
CIE-LAB	lab(63.36, -48.96, 58.22)
CIE-LCH	lch(63.36, 76.07, 130.06°)
OKLab	oklab(66.79% -0.1363 0.1287)
OKLCH	oklch(66.79% 0.187 136.6)
XYZ	xyz(19.1480, 32.0218, 6.6104)
Luminance	0.3202 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AD21 #7721AD

analogous

#9DAD21 #57AD21 #21AD31

triadic

#57AD21 #2157AD #AD2157

tetradic

#57AD21 #219DAD #7721AD #AD3121

square

#57AD21 #219DAD #7721AD #AD3121

split-complementary

#57AD21 #3121AD #AD219D

monochromatic

#23460D #3D7A17 #57AD21 #73D833 #96E266

Accessibility & contrast

On white

2.84

#57AD21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#57AD21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AD21

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AD21	#FFFFFF	#000000	##000000
##57AD21	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E00

Deuteranopia (green-blind)

#A89732

Tritanopia (blue-blind)

#52A694

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #57ad21;
/* rgb */ color: rgb(87, 173, 33);
/* oklch */ color: oklch(66.8% 0.187 136.6);

Tailwind

colors: {
  custom: {
    50: '#8fc669',
    500: '#57ad21',
    950: '#000000',
  },
}

SCSS

$custom: #57ad21;
$custom-light: #8fc669;
$custom-dark: #000000;

JSON

{
  "hex": "#57ad21",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 33
  },
  "hsl": {
    "h": 96.857,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.66791,
    "c": 0.18743,
    "h": 136.6
  },
  "luminance": 0.32023
}

Semantic roles & 50–950 ramp

primary

#57AD21

secondary

#A062C7

accent

#3DEBA8

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #57AD21

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

Preview Lab → · Contrast checker → · Palette generator →