#508B1B#508B1B

#508B1B is a mid, vivid yellow-green. Relative luminance 0.203; OKLCH L 57.5% C 0.152 H 134.1°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#508B1B
RGB	rgb(80, 139, 27)
HSL	hsl(92, 67%, 33%)
HSV	hsv(92, 81%, 55%)
CMYK	cmyk(42.4%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(52.12, -37.73, 49.47)
CIE-LCH	lch(52.12, 62.22, 127.33°)
OKLab	oklab(57.46% -0.106 0.1095)
OKLCH	oklch(57.46% 0.152 134.1)
XYZ	xyz(12.7385, 20.2492, 4.2740)
Luminance	0.2025 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#508B1B #561B8B

analogous

#888B1B #508B1B #1B8B1E

triadic

#508B1B #1B508B #8B1B50

tetradic

#508B1B #1B888B #561B8B #8B1E1B

square

#508B1B #1B888B #561B8B #8B1E1B

split-complementary

#508B1B #1E1B8B #8B1B88

monochromatic

#152507 #335811 #508B1B #6DBE25 #8CDB45

Accessibility & contrast

On white

4.16

#508B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#508B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #508B1B

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##508B1B	#FFFFFF	#000000	##000000
##508B1B	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)

#897B28

Tritanopia (blue-blind)

#4F8576

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #508b1b;
/* rgb */ color: rgb(80, 139, 27);
/* oklch */ color: oklch(57.5% 0.152 134.1);

Tailwind

colors: {
  custom: {
    50: '#87ad62',
    500: '#508b1b',
    950: '#000000',
  },
}

SCSS

$custom: #508b1b;
$custom-light: #87ad62;
$custom-dark: #000000;

JSON

{
  "hex": "#508b1b",
  "rgb": {
    "r": 80,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 91.607,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57462,
    "c": 0.15244,
    "h": 134.1
  },
  "luminance": 0.2025
}

Semantic roles & 50–950 ramp

primary

#508B1B

secondary

#8445BC

accent

#3DEA99

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #508B1B

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

Preview Lab → · Contrast checker → · Palette generator →