#57BB1F#57BB1F

#57BB1F is a light, highly saturated yellow-green. Relative luminance 0.377; OKLCH L 70.4% C 0.204 H 137.5°. Best body text is #000000 at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#57BB1F
RGB	rgb(87, 187, 31)
HSL	hsl(98, 72%, 43%)
HSV	hsv(98, 83%, 73%)
CMYK	cmyk(53.5%, 0%, 83.4%, 26.7%)
CIE-LAB	lab(67.77, -54.34, 62.78)
CIE-LCH	lch(67.77, 83.03, 130.88°)
OKLab	oklab(70.42% -0.1508 0.138)
OKLCH	oklch(70.42% 0.204 137.5)
XYZ	xyz(21.9474, 37.6641, 7.4094)
Luminance	0.3767 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BB1F #831FBB

analogous

#A5BB1F #57BB1F #1FBB35

triadic

#57BB1F #1F57BB #BB1F57

tetradic

#57BB1F #1FA5BB #831FBB #BB351F

square

#57BB1F #1FA5BB #831FBB #BB351F

split-complementary

#57BB1F #351FBB #BB1FA5

monochromatic

#26520E #3F8716 #57BB1F #74DE39 #99E76E

Accessibility & contrast

On white

2.46

#57BB1F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.53

#57BB1F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BB1F

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BB1F	#FFFFFF	#000000	##000000
##57BB1F	1.00	2.46	8.53	8.53
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.53	21.00	1.00	1.00
##000000	8.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#B5A233

Tritanopia (blue-blind)

#4FB49F

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #57bb1f;
/* rgb */ color: rgb(87, 187, 31);
/* oklch */ color: oklch(70.4% 0.204 137.5);

Tailwind

colors: {
  custom: {
    50: '#91d06a',
    500: '#57bb1f',
    950: '#000000',
  },
}

SCSS

$custom: #57bb1f;
$custom-light: #91d06a;
$custom-dark: #000000;

JSON

{
  "hex": "#57bb1f",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 31
  },
  "hsl": {
    "h": 98.462,
    "s": 71.56,
    "l": 42.745
  },
  "oklch": {
    "l": 0.70423,
    "c": 0.20438,
    "h": 137.5
  },
  "luminance": 0.37666
}

Semantic roles & 50–950 ramp

primary

#57BB1F

secondary

#A969CD

accent

#3AEEAD

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1407

muted

#7E827A

Preview Lab

Preview with #57BB1F

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

Preview Lab → · Contrast checker → · Palette generator →