#518921#518921

#518921 is a mid, vivid yellow-green. Relative luminance 0.198; OKLCH L 57.0% C 0.146 H 134.0°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#518921
RGB	rgb(81, 137, 33)
HSL	hsl(92, 61%, 33%)
HSV	hsv(92, 76%, 54%)
CMYK	cmyk(40.9%, 0%, 75.9%, 46.3%)
CIE-LAB	lab(51.55, -36.14, 46.88)
CIE-LCH	lch(51.55, 59.20, 127.63°)
OKLab	oklab(57.02% -0.1014 0.105)
OKLCH	oklch(57.02% 0.146 134)
XYZ	xyz(12.6133, 19.7498, 4.5860)
Luminance	0.1975 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518921 #592189

analogous

#858921 #518921 #218925

triadic

#518921 #215189 #892151

tetradic

#518921 #218589 #592189 #892521

square

#518921 #218589 #592189 #892521

split-complementary

#518921 #252189 #892185

monochromatic

#172609 #345815 #518921 #6EBA2D #8DD550

Accessibility & contrast

On white

4.24

#518921 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#518921 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518921

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518921	#FFFFFF	#000000	##000000
##518921	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E0C

Deuteranopia (green-blind)

#87792B

Tritanopia (blue-blind)

#518375

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #518921;
/* rgb */ color: rgb(81, 137, 33);
/* oklch */ color: oklch(57.0% 0.146 134.0);

Tailwind

colors: {
  custom: {
    50: '#87ac64',
    500: '#518921',
    950: '#000000',
  },
}

SCSS

$custom: #518921;
$custom-light: #87ac64;
$custom-dark: #000000;

JSON

{
  "hex": "#518921",
  "rgb": {
    "r": 81,
    "g": 137,
    "b": 33
  },
  "hsl": {
    "h": 92.308,
    "s": 61.176,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57024,
    "c": 0.14598,
    "h": 134
  },
  "luminance": 0.1975
}

Semantic roles & 50–950 ramp

primary

#518921

secondary

#874EB8

accent

#44E49A

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #518921

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

Preview Lab → · Contrast checker → · Palette generator →