#508B21#508B21

#508B21 is a mid, vivid yellow-green. Relative luminance 0.203; OKLCH L 57.5% C 0.149 H 134.6°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#508B21
RGB	rgb(80, 139, 33)
HSL	hsl(93, 62%, 34%)
HSV	hsv(93, 76%, 55%)
CMYK	cmyk(42.4%, 0%, 76.3%, 45.5%)
CIE-LAB	lab(52.15, -37.37, 47.46)
CIE-LCH	lch(52.15, 60.40, 128.22°)
OKLab	oklab(57.5% -0.1046 0.1063)
OKLCH	oklch(57.5% 0.149 134.6)
XYZ	xyz(12.8151, 20.2798, 4.6777)
Luminance	0.2028 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#508B21 #5C218B

analogous

#858B21 #508B21 #218B27

triadic

#508B21 #21508B #8B2150

tetradic

#508B21 #21858B #5C218B #8B2721

square

#508B21 #21858B #5C218B #8B2721

split-complementary

#508B21 #27218B #8B2185

monochromatic

#17280A #345A15 #508B21 #6CBC2D #8CD651

Accessibility & contrast

On white

4.15

#508B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#508B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #508B21

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##508B21	#FFFFFF	#000000	##000000
##508B21	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F0B

Deuteranopia (green-blind)

#897B2C

Tritanopia (blue-blind)

#4F8577

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #508b21;
/* rgb */ color: rgb(80, 139, 33);
/* oklch */ color: oklch(57.5% 0.149 134.6);

Tailwind

colors: {
  custom: {
    50: '#86ad64',
    500: '#508b21',
    950: '#000000',
  },
}

SCSS

$custom: #508b21;
$custom-light: #86ad64;
$custom-dark: #000000;

JSON

{
  "hex": "#508b21",
  "rgb": {
    "r": 80,
    "g": 139,
    "b": 33
  },
  "hsl": {
    "h": 93.396,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.57501,
    "c": 0.14912,
    "h": 134.6
  },
  "luminance": 0.20281
}

Semantic roles & 50–950 ramp

primary

#508B21

secondary

#8A4FB9

accent

#43E59D

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #508B21

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

Preview Lab → · Contrast checker → · Palette generator →