#57B318#57B318

#57B318 is a light, vivid yellow-green. Relative luminance 0.343; OKLCH L 68.3% C 0.198 H 136.7°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#57B318
RGB	rgb(87, 179, 24)
HSL	hsl(96, 76%, 40%)
HSV	hsv(96, 87%, 70%)
CMYK	cmyk(51.4%, 0%, 86.6%, 29.8%)
CIE-LAB	lab(65.22, -51.65, 62.18)
CIE-LCH	lch(65.22, 80.83, 129.72°)
OKLab	oklab(68.31% -0.1439 0.1358)
OKLCH	oklch(68.31% 0.198 136.7)
XYZ	xyz(20.2149, 34.3309, 6.4253)
Luminance	0.3433 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B318 #7418B3

analogous

#A5B318 #57B318 #18B327

triadic

#57B318 #1857B3 #B31857

tetradic

#57B318 #18A5B3 #7418B3 #B32718

square

#57B318 #18A5B3 #7418B3 #B32718

split-complementary

#57B318 #2718B3 #B318A5

monochromatic

#23470A #3D7D11 #57B318 #73E226 #96E95C

Accessibility & contrast

On white

2.67

#57B318 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#57B318 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B318

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B318	#FFFFFF	#000000	##000000
##57B318	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AE9C2E

Tritanopia (blue-blind)

#52AC98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57b318;
/* rgb */ color: rgb(87, 179, 24);
/* oklch */ color: oklch(68.3% 0.198 136.7);

Tailwind

colors: {
  custom: {
    50: '#90ca67',
    500: '#57b318',
    950: '#000000',
  },
}

SCSS

$custom: #57b318;
$custom-light: #90ca67;
$custom-dark: #000000;

JSON

{
  "hex": "#57b318",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 24
  },
  "hsl": {
    "h": 95.613,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.68314,
    "c": 0.19784,
    "h": 136.7
  },
  "luminance": 0.34332
}

Semantic roles & 50–950 ramp

primary

#57B318

secondary

#9E5ACD

accent

#35F3A6

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #57B318

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

Preview Lab → · Contrast checker → · Palette generator →