#57B319#57B319

#57B319 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	#57B319
RGB	rgb(87, 179, 25)
HSL	hsl(96, 75%, 40%)
HSV	hsv(96, 86%, 70%)
CMYK	cmyk(51.4%, 0%, 86%, 29.8%)
CIE-LAB	lab(65.23, -51.61, 61.96)
CIE-LCH	lch(65.23, 80.64, 129.79°)
OKLab	oklab(68.32% -0.1438 0.1354)
OKLCH	oklch(68.32% 0.198 136.7)
XYZ	xyz(20.2254, 34.3351, 6.4811)
Luminance	0.3434 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B319 #7519B3

analogous

#A4B319 #57B319 #19B328

triadic

#57B319 #1957B3 #B31957

tetradic

#57B319 #19A4B3 #7519B3 #B32819

square

#57B319 #19A4B3 #7519B3 #B32819

split-complementary

#57B319 #2819B3 #B319A4

monochromatic

#23480A #3D7D12 #57B319 #73E128 #96E85E

Accessibility & contrast

On white

2.67

#57B319 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#57B319 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B319

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B319	#FFFFFF	#000000	##000000
##57B319	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: #57b319;
/* rgb */ color: rgb(87, 179, 25);
/* oklch */ color: oklch(68.3% 0.198 136.7);

Tailwind

colors: {
  custom: {
    50: '#90ca67',
    500: '#57b319',
    950: '#000000',
  },
}

SCSS

$custom: #57b319;
$custom-light: #90ca67;
$custom-dark: #000000;

JSON

{
  "hex": "#57b319",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 25
  },
  "hsl": {
    "h": 95.844,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.68318,
    "c": 0.1975,
    "h": 136.7
  },
  "luminance": 0.34337
}

Semantic roles & 50–950 ramp

primary

#57B319

secondary

#9F5BCC

accent

#36F2A6

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #57B319

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

Preview Lab → · Contrast checker → · Palette generator →