#57B01F#57B01F

#57B01F is a light, vivid yellow-green. Relative luminance 0.332; OKLCH L 67.6% C 0.192 H 136.8°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#57B01F
RGB	rgb(87, 176, 31)
HSL	hsl(97, 70%, 41%)
HSV	hsv(97, 82%, 69%)
CMYK	cmyk(50.6%, 0%, 82.4%, 31%)
CIE-LAB	lab(64.30, -50.22, 59.65)
CIE-LCH	lch(64.30, 77.97, 130.09°)
OKLab	oklab(67.56% -0.1397 0.1314)
OKLCH	oklch(67.56% 0.192 136.8)
XYZ	xyz(19.7026, 33.1744, 6.6611)
Luminance	0.3318 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B01F #781FB0

analogous

#9FB01F #57B01F #1FB030

triadic

#57B01F #1F57B0 #B01F57

tetradic

#57B01F #1F9FB0 #781FB0 #B0301F

square

#57B01F #1F9FB0 #781FB0 #B0301F

split-complementary

#57B01F #301FB0 #B01F9F

monochromatic

#24480D #3D7C16 #57B01F #73DB31 #96E465

Accessibility & contrast

On white

2.75

#57B01F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#57B01F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B01F

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B01F	#FFFFFF	#000000	##000000
##57B01F	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A000

Deuteranopia (green-blind)

#AB9931

Tritanopia (blue-blind)

#52A996

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #57b01f;
/* rgb */ color: rgb(87, 176, 31);
/* oklch */ color: oklch(67.6% 0.192 136.8);

Tailwind

colors: {
  custom: {
    50: '#8fc869',
    500: '#57b01f',
    950: '#000000',
  },
}

SCSS

$custom: #57b01f;
$custom-light: #8fc869;
$custom-dark: #000000;

JSON

{
  "hex": "#57b01f",
  "rgb": {
    "r": 87,
    "g": 176,
    "b": 31
  },
  "hsl": {
    "h": 96.828,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67562,
    "c": 0.1918,
    "h": 136.8
  },
  "luminance": 0.33176
}

Semantic roles & 50–950 ramp

primary

#57B01F

secondary

#A162C9

accent

#3BEDA8

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #57B01F

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

Preview Lab → · Contrast checker → · Palette generator →