#57AC1B#57AC1B

#57AC1B is a light, vivid yellow-green. Relative luminance 0.316; OKLCH L 66.5% C 0.189 H 136.2°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#57AC1B
RGB	rgb(87, 172, 27)
HSL	hsl(95, 73%, 39%)
HSV	hsv(95, 84%, 67%)
CMYK	cmyk(49.4%, 0%, 84.3%, 32.5%)
CIE-LAB	lab(63.02, -48.86, 59.53)
CIE-LCH	lch(63.02, 77.01, 129.38°)
OKLab	oklab(66.5% -0.1363 0.1306)
OKLCH	oklch(66.5% 0.189 136.2)
XYZ	xyz(18.8803, 31.6091, 6.1430)
Luminance	0.3161 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AC1B #701BAC

analogous

#A0AC1B #57AC1B #1BAC27

triadic

#57AC1B #1B57AC #AC1B57

tetradic

#57AC1B #1BA0AC #701BAC #AC271B

square

#57AC1B #1BA0AC #701BAC #AC271B

split-complementary

#57AC1B #271BAC #AC1BA0

monochromatic

#21420A #3C7713 #57AC1B #72DD27 #95E55C

Accessibility & contrast

On white

2.87

#57AC1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#57AC1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AC1B

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AC1B	#FFFFFF	#000000	##000000
##57AC1B	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D00

Deuteranopia (green-blind)

#A7962E

Tritanopia (blue-blind)

#53A592

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #57ac1b;
/* rgb */ color: rgb(87, 172, 27);
/* oklch */ color: oklch(66.5% 0.189 136.2);

Tailwind

colors: {
  custom: {
    50: '#8fc567',
    500: '#57ac1b',
    950: '#000000',
  },
}

SCSS

$custom: #57ac1b;
$custom-light: #8fc567;
$custom-dark: #000000;

JSON

{
  "hex": "#57ac1b",
  "rgb": {
    "r": 87,
    "g": 172,
    "b": 27
  },
  "hsl": {
    "h": 95.172,
    "s": 72.864,
    "l": 39.02
  },
  "oklch": {
    "l": 0.66501,
    "c": 0.18876,
    "h": 136.2
  },
  "luminance": 0.3161
}

Semantic roles & 50–950 ramp

primary

#57AC1B

secondary

#9B5AC9

accent

#38F0A4

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #57AC1B

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

Preview Lab → · Contrast checker → · Palette generator →