#57BB3B#57BB3B

#57BB3B is a light, vivid green. Relative luminance 0.379; OKLCH L 70.6% C 0.189 H 139.6°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#57BB3B
RGB	rgb(87, 187, 59)
HSL	hsl(107, 52%, 48%)
HSV	hsv(107, 68%, 73%)
CMYK	cmyk(53.5%, 0%, 68.4%, 26.7%)
CIE-LAB	lab(67.93, -52.52, 53.69)
CIE-LCH	lch(67.93, 75.11, 134.37°)
OKLab	oklab(70.61% -0.1443 0.1228)
OKLCH	oklch(70.61% 0.189 139.6)
XYZ	xyz(22.4893, 37.8809, 10.2635)
Luminance	0.3788 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BB3B #9F3BBB

analogous

#97BB3B #57BB3B #3BBB5F

triadic

#57BB3B #3B57BB #BB3B57

tetradic

#57BB3B #3B97BB #9F3BBB #BB5F3B

square

#57BB3B #3B97BB #9F3BBB #BB5F3B

split-complementary

#57BB3B #5F3BBB #BB3B97

monochromatic

#2C5E1E #418C2C #57BB3B #7CCE65 #A3DD93

Accessibility & contrast

On white

2.45

#57BB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#57BB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BB3B

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BB3B	#FFFFFF	#000000	##000000
##57BB3B	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AB29

Deuteranopia (green-blind)

#B3A247

Tritanopia (blue-blind)

#4DB5A1

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #57bb3b;
/* rgb */ color: rgb(87, 187, 59);
/* oklch */ color: oklch(70.6% 0.189 139.6);

Tailwind

colors: {
  custom: {
    50: '#90d078',
    500: '#57bb3b',
    950: '#000000',
  },
}

SCSS

$custom: #57bb3b;
$custom-light: #90d078;
$custom-dark: #000000;

JSON

{
  "hex": "#57bb3b",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 59
  },
  "hsl": {
    "h": 106.875,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.70606,
    "c": 0.18948,
    "h": 139.6
  },
  "luminance": 0.37883
}

Semantic roles & 50–950 ramp

primary

#57BB3B

secondary

#BB8AC8

accent

#4CDBBC

background

#F9FCF7

surface

#F2F9EE

border

#CCD2C9

text

#0D1409

muted

#7E827B

Preview Lab

Preview with #57BB3B

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

Preview Lab → · Contrast checker → · Palette generator →