#518B16#518B16

#518B16 is a mid, vivid yellow-green. Relative luminance 0.203; OKLCH L 57.5% C 0.154 H 133.5°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#518B16
RGB	rgb(81, 139, 22)
HSL	hsl(90, 73%, 32%)
HSV	hsv(90, 84%, 55%)
CMYK	cmyk(41.7%, 0%, 84.2%, 45.5%)
CIE-LAB	lab(52.14, -37.63, 51.01)
CIE-LCH	lch(52.14, 63.39, 126.42°)
OKLab	oklab(57.49% -0.1061 0.112)
OKLCH	oklch(57.49% 0.154 133.5)
XYZ	xyz(12.7706, 20.2718, 3.9989)
Luminance	0.2027 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518B16 #50168B

analogous

#8B8B16 #518B16 #168B16

triadic

#518B16 #16518B #8B1651

tetradic

#518B16 #168B8B #50168B #8B1616

square

#518B16 #168B8B #50168B #8B1616

split-complementary

#518B16 #16168B #8B168B

monochromatic

#132105 #32560E #518B16 #70C01E #8EE03B

Accessibility & contrast

On white

4.15

#518B16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#518B16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518B16

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518B16	#FFFFFF	#000000	##000000
##518B16	1.00	4.15	5.05	5.05
#FFFFFF	4.15	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)

#897B24

Tritanopia (blue-blind)

#518576

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #518b16;
/* rgb */ color: rgb(81, 139, 22);
/* oklch */ color: oklch(57.5% 0.154 133.5);

Tailwind

colors: {
  custom: {
    50: '#88ad5f',
    500: '#518b16',
    950: '#000000',
  },
}

SCSS

$custom: #518b16;
$custom-light: #88ad5f;
$custom-dark: #000000;

JSON

{
  "hex": "#518b16",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 22
  },
  "hsl": {
    "h": 89.744,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.57489,
    "c": 0.15426,
    "h": 133.5
  },
  "luminance": 0.20272
}

Semantic roles & 50–950 ramp

primary

#518B16

secondary

#7E3EBF

accent

#38EF93

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C1005

muted

#7D7F79

Preview Lab

Preview with #518B16

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

Preview Lab → · Contrast checker → · Palette generator →