#537E18#537E18

#537E18 is a mid, vivid yellow-green. Relative luminance 0.168; OKLCH L 54.2% C 0.136 H 130.5°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#537E18
RGB	rgb(83, 126, 24)
HSL	hsl(85, 68%, 29%)
HSV	hsv(85, 81%, 49%)
CMYK	cmyk(34.1%, 0%, 81%, 50.6%)
CIE-LAB	lab(48.04, -30.96, 46.69)
CIE-LCH	lch(48.04, 56.02, 123.55°)
OKLab	oklab(54.17% -0.0882 0.1031)
OKLCH	oklch(54.17% 0.136 130.5)
XYZ	xyz(11.1929, 16.8263, 3.5220)
Luminance	0.1683 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537E18 #43187E

analogous

#7E7618 #537E18 #207E18

triadic

#537E18 #18537E #7E1853

tetradic

#537E18 #187E76 #43187E #7E1820

square

#537E18 #187E76 #43187E #7E1820

split-complementary

#537E18 #18207E #76187E

monochromatic

#111A05 #314B0E #537E18 #75B122 #95D937

Accessibility & contrast

On white

4.81

#537E18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#537E18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537E18

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537E18	#FFFFFF	#000000	##FFFFFF
##537E18	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7E7123

Tritanopia (blue-blind)

#55786B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #537e18;
/* rgb */ color: rgb(83, 126, 24);
/* oklch */ color: oklch(54.2% 0.136 130.5);

Tailwind

colors: {
  custom: {
    50: '#88a35e',
    500: '#537e18',
    950: '#000000',
  },
}

SCSS

$custom: #537e18;
$custom-light: #88a35e;
$custom-dark: #000000;

JSON

{
  "hex": "#537e18",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 24
  },
  "hsl": {
    "h": 85.294,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.54166,
    "c": 0.13568,
    "h": 130.5
  },
  "luminance": 0.16827
}

Semantic roles & 50–950 ramp

primary

#537E18

secondary

#703FB2

accent

#3DEB86

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #537E18

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

Preview Lab → · Contrast checker → · Palette generator →