#537818#537818

#537818 is a mid, vivid yellow-green. Relative luminance 0.153; OKLCH L 52.6% C 0.128 H 129.0°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#537818
RGB	rgb(83, 120, 24)
HSL	hsl(83, 67%, 28%)
HSV	hsv(83, 80%, 47%)
CMYK	cmyk(30.8%, 0%, 80%, 52.9%)
CIE-LAB	lab(46.09, -28.12, 44.87)
CIE-LCH	lch(46.09, 52.95, 122.08°)
OKLab	oklab(52.58% -0.0805 0.0993)
OKLCH	oklch(52.58% 0.128 129)
XYZ	xyz(10.4486, 15.3376, 3.2739)
Luminance	0.1534 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537818 #3D1878

analogous

#786D18 #537818 #237818

triadic

#537818 #185378 #781853

tetradic

#537818 #18786D #3D1878 #781823

square

#537818 #18786D #3D1878 #781823

split-complementary

#537818 #182378 #6D1878

monochromatic

#121A05 #30450E #537818 #76AB22 #98D634

Accessibility & contrast

On white

5.16

#537818 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#537818 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537818

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537818	#FFFFFF	#000000	##FFFFFF
##537818	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E6F01

Deuteranopia (green-blind)

#796C22

Tritanopia (blue-blind)

#567266

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #537818;
/* rgb */ color: rgb(83, 120, 24);
/* oklch */ color: oklch(52.6% 0.128 129.0);

Tailwind

colors: {
  custom: {
    50: '#879f5d',
    500: '#537818',
    950: '#000000',
  },
}

SCSS

$custom: #537818;
$custom-light: #879f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#537818",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 24
  },
  "hsl": {
    "h": 83.125,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.5258,
    "c": 0.12782,
    "h": 129
  },
  "luminance": 0.15338
}

Semantic roles & 50–950 ramp

primary

#537818

secondary

#693FAD

accent

#3EEA80

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0E05

muted

#7D7E79

Preview Lab

Preview with #537818

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

Preview Lab → · Contrast checker → · Palette generator →