#537F18#537F18

#537F18 is a mid, vivid yellow-green. Relative luminance 0.171; OKLCH L 54.4% C 0.137 H 130.7°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#537F18
RGBrgb(83, 127, 24)
HSLhsl(86, 68%, 30%)
HSVhsv(86, 81%, 50%)
CMYKcmyk(34.6%, 0%, 81.1%, 50.2%)
CIE-LABlab(48.36, -31.42, 46.99)
CIE-LCHlch(48.36, 56.53, 123.77°)
OKLaboklab(54.43% -0.0894 0.1038)
OKLCHoklch(54.43% 0.137 130.7)
XYZxyz(11.3214, 17.0833, 3.5649)
Luminance0.1708 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537F18 #44187F
analogous
#7F7818 #537F18 #207F18
triadic
#537F18 #18537F #7F1853
tetradic
#537F18 #187F78 #44187F #7F1820
square
#537F18 #187F78 #44187F #7F1820
split-complementary
#537F18 #18207F #78187F
monochromatic
#111A05 #314C0E #537F18 #75B222 #94D938

Accessibility & contrast

On white

4.75
#537F18 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.42
#537F18 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537F18
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537F18#FFFFFF#000000##FFFFFF
##537F181.004.754.424.75
#FFFFFF4.751.0021.001.00
#0000004.4221.001.0021.00
##FFFFFF4.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#857500
Deuteranopia (green-blind)
#7F7223
Tritanopia (blue-blind)
#55796C
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #537f18;
/* rgb */ color: rgb(83, 127, 24);
/* oklch */ color: oklch(54.4% 0.137 130.7);
Tailwind
colors: {
  custom: {
    50: '#88a45e',
    500: '#537f18',
    950: '#000000',
  },
}
SCSS
$custom: #537f18;
$custom-light: #88a45e;
$custom-dark: #000000;
JSON
{
  "hex": "#537f18",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 24
  },
  "hsl": {
    "h": 85.631,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.54431,
    "c": 0.13698,
    "h": 130.7
  },
  "luminance": 0.17084
}

Semantic roles & 50–950 ramp

primary
#537F18
secondary
#713FB3
accent
#3DEB87
background
#F8FAF5
surface
#F0F4EA
border
#CBCEC6
text
#0C0F05
muted
#7D7F79

Preview Lab

Preview with #537F18

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

Preview Lab → · Contrast checker → · Palette generator →

#537F18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva