#517818#517818

#517818 is a mid, vivid yellow-green. Relative luminance 0.152; OKLCH L 52.4% C 0.129 H 129.8°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#517818
RGB	rgb(81, 120, 24)
HSL	hsl(84, 67%, 28%)
HSV	hsv(84, 80%, 47%)
CMYK	cmyk(32.5%, 0%, 80%, 52.9%)
CIE-LAB	lab(45.97, -28.94, 44.71)
CIE-LCH	lch(45.97, 53.26, 122.91°)
OKLab	oklab(52.45% -0.0825 0.099)
OKLCH	oklch(52.45% 0.129 129.8)
XYZ	xyz(10.2746, 15.2479, 3.2658)
Luminance	0.1525 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517818 #3F1878

analogous

#786F18 #517818 #217818

triadic

#517818 #185178 #781851

tetradic

#517818 #18786F #3F1878 #781821

square

#517818 #18786F #3F1878 #781821

split-complementary

#517818 #182178 #6F1878

monochromatic

#111A05 #2F450E #517818 #73AB22 #94D634

Accessibility & contrast

On white

5.19

#517818 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#517818 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #517818

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517818	#FFFFFF	#000000	##FFFFFF
##517818	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E6F01

Deuteranopia (green-blind)

#796C22

Tritanopia (blue-blind)

#537266

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #517818;
/* rgb */ color: rgb(81, 120, 24);
/* oklch */ color: oklch(52.4% 0.129 129.8);

Tailwind

colors: {
  custom: {
    50: '#869f5d',
    500: '#517818',
    950: '#000000',
  },
}

SCSS

$custom: #517818;
$custom-light: #869f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#517818",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 24
  },
  "hsl": {
    "h": 84.375,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.52449,
    "c": 0.12892,
    "h": 129.8
  },
  "luminance": 0.15248
}

Semantic roles & 50–950 ramp

primary

#517818

secondary

#6C3FAD

accent

#3EEA84

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #517818

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

Preview Lab → · Contrast checker → · Palette generator →