#518F21#518F21

#518F21 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.6% C 0.154 H 134.8°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#518F21
RGB	rgb(81, 143, 33)
HSL	hsl(94, 63%, 35%)
HSV	hsv(94, 77%, 56%)
CMYK	cmyk(43.4%, 0%, 76.9%, 43.9%)
CIE-LAB	lab(53.50, -38.74, 48.79)
CIE-LCH	lch(53.50, 62.30, 128.45°)
OKLab	oklab(58.61% -0.1084 0.109)
OKLCH	oklch(58.61% 0.154 134.8)
XYZ	xyz(13.4900, 21.5033, 4.8783)
Luminance	0.2150 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518F21 #5F218F

analogous

#888F21 #518F21 #218F28

triadic

#518F21 #21518F #8F2151

tetradic

#518F21 #21888F #5F218F #8F2821

square

#518F21 #21888F #5F218F #8F2821

split-complementary

#518F21 #28218F #8F2188

monochromatic

#192C0A #355D16 #518F21 #6DC12C #8DD753

Accessibility & contrast

On white

3.96

#518F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#518F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518F21

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518F21	#FFFFFF	#000000	##000000
##518F21	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958308

Deuteranopia (green-blind)

#8C7E2C

Tritanopia (blue-blind)

#50897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #518f21;
/* rgb */ color: rgb(81, 143, 33);
/* oklch */ color: oklch(58.6% 0.154 134.8);

Tailwind

colors: {
  custom: {
    50: '#88b065',
    500: '#518f21',
    950: '#000000',
  },
}

SCSS

$custom: #518f21;
$custom-light: #88b065;
$custom-dark: #000000;

JSON

{
  "hex": "#518f21",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 33
  },
  "hsl": {
    "h": 93.818,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58615,
    "c": 0.15373,
    "h": 134.8
  },
  "luminance": 0.21504
}

Semantic roles & 50–950 ramp

primary

#518F21

secondary

#8D51BB

accent

#42E69E

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #518F21

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

Preview Lab → · Contrast checker → · Palette generator →