#508B18#508B18

#508B18 is a mid, vivid yellow-green. Relative luminance 0.202; OKLCH L 57.4% C 0.154 H 133.9°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#508B18
RGB	rgb(80, 139, 24)
HSL	hsl(91, 71%, 32%)
HSV	hsv(91, 83%, 55%)
CMYK	cmyk(42.4%, 0%, 82.7%, 45.5%)
CIE-LAB	lab(52.10, -37.89, 50.38)
CIE-LCH	lch(52.10, 63.04, 126.95°)
OKLab	oklab(57.45% -0.1066 0.111)
OKLCH	oklch(57.45% 0.154 133.9)
XYZ	xyz(12.7055, 20.2360, 4.1004)
Luminance	0.2024 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#508B18 #53188B

analogous

#8A8B18 #508B18 #188B1A

triadic

#508B18 #18508B #8B1850

tetradic

#508B18 #188A8B #53188B #8B1A18

square

#508B18 #188A8B #53188B #8B1A18

split-complementary

#508B18 #1A188B #8B188A

monochromatic

#142306 #32570F #508B18 #6EBF21 #8DDE3F

Accessibility & contrast

On white

4.16

#508B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#508B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #508B18

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##508B18	#FFFFFF	#000000	##000000
##508B18	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#897B26

Tritanopia (blue-blind)

#508576

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #508b18;
/* rgb */ color: rgb(80, 139, 24);
/* oklch */ color: oklch(57.4% 0.154 133.9);

Tailwind

colors: {
  custom: {
    50: '#87ad60',
    500: '#508b18',
    950: '#000000',
  },
}

SCSS

$custom: #508b18;
$custom-light: #87ad60;
$custom-dark: #000000;

JSON

{
  "hex": "#508b18",
  "rgb": {
    "r": 80,
    "g": 139,
    "b": 24
  },
  "hsl": {
    "h": 90.783,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.57445,
    "c": 0.1539,
    "h": 133.9
  },
  "luminance": 0.20237
}

Semantic roles & 50–950 ramp

primary

#508B18

secondary

#8140BE

accent

#3AED96

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #508B18

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

Preview Lab → · Contrast checker → · Palette generator →