#508C18#508C18

#508C18 is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.7% C 0.155 H 134.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#508C18
RGB	rgb(80, 140, 24)
HSL	hsl(91, 71%, 32%)
HSV	hsv(91, 83%, 55%)
CMYK	cmyk(42.9%, 0%, 82.9%, 45.1%)
CIE-LAB	lab(52.43, -38.32, 50.68)
CIE-LCH	lch(52.43, 63.53, 127.09°)
OKLab	oklab(57.71% -0.1078 0.1116)
OKLCH	oklch(57.71% 0.155 134)
XYZ	xyz(12.8510, 20.5269, 4.1489)
Luminance	0.2053 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#508C18 #54188C

analogous

#8A8C18 #508C18 #188C1A

triadic

#508C18 #18508C #8C1850

tetradic

#508C18 #188A8C #54188C #8C1A18

square

#508C18 #188A8C #54188C #8C1A18

split-complementary

#508C18 #1A188C #8C188A

monochromatic

#142406 #32580F #508C18 #6EC021 #8CDE40

Accessibility & contrast

On white

4.11

#508C18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#508C18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #508C18

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##508C18	#FFFFFF	#000000	##000000
##508C18	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#8A7B26

Tritanopia (blue-blind)

#4F8677

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #508c18;
/* rgb */ color: rgb(80, 140, 24);
/* oklch */ color: oklch(57.7% 0.155 134.0);

Tailwind

colors: {
  custom: {
    50: '#87ae60',
    500: '#508c18',
    950: '#000000',
  },
}

SCSS

$custom: #508c18;
$custom-light: #87ae60;
$custom-dark: #000000;

JSON

{
  "hex": "#508c18",
  "rgb": {
    "r": 80,
    "g": 140,
    "b": 24
  },
  "hsl": {
    "h": 91.034,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.57711,
    "c": 0.15515,
    "h": 134
  },
  "luminance": 0.20528
}

Semantic roles & 50–950 ramp

primary

#508C18

secondary

#8241BF

accent

#3AED97

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #508C18

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

Preview Lab → · Contrast checker → · Palette generator →