#537A18#537A18

#537A18 is a mid, vivid yellow-green. Relative luminance 0.158; OKLCH L 53.1% C 0.130 H 129.5°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#537A18
RGB	rgb(83, 122, 24)
HSL	hsl(84, 67%, 29%)
HSV	hsv(84, 80%, 48%)
CMYK	cmyk(32%, 0%, 80.3%, 52.2%)
CIE-LAB	lab(46.74, -29.08, 45.48)
CIE-LCH	lch(46.74, 53.98, 122.60°)
OKLab	oklab(53.11% -0.0831 0.1006)
OKLCH	oklch(53.11% 0.13 129.5)
XYZ	xyz(10.6916, 15.8237, 3.3549)
Luminance	0.1582 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537A18 #3F187A

analogous

#7A7018 #537A18 #227A18

triadic

#537A18 #18537A #7A1853

tetradic

#537A18 #187A70 #3F187A #7A1822

square

#537A18 #187A70 #3F187A #7A1822

split-complementary

#537A18 #18227A #70187A

monochromatic

#111A05 #30470E #537A18 #76AD22 #97D735

Accessibility & contrast

On white

5.04

#537A18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#537A18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537A18

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537A18	#FFFFFF	#000000	##FFFFFF
##537A18	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807100

Deuteranopia (green-blind)

#7B6E22

Tritanopia (blue-blind)

#567468

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #537a18;
/* rgb */ color: rgb(83, 122, 24);
/* oklch */ color: oklch(53.1% 0.130 129.5);

Tailwind

colors: {
  custom: {
    50: '#87a05e',
    500: '#537a18',
    950: '#000000',
  },
}

SCSS

$custom: #537a18;
$custom-light: #87a05e;
$custom-dark: #000000;

JSON

{
  "hex": "#537a18",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 24
  },
  "hsl": {
    "h": 83.878,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.53109,
    "c": 0.13045,
    "h": 129.5
  },
  "luminance": 0.15824
}

Semantic roles & 50–950 ramp

primary

#537A18

secondary

#6B3FAF

accent

#3EEA82

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #537A18

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

Preview Lab → · Contrast checker → · Palette generator →