#539B21#539B21

#539B21 is a mid, vivid yellow-green. Relative luminance 0.254; OKLCH L 61.9% C 0.168 H 135.8°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX#539B21
RGBrgb(83, 155, 33)
HSLhsl(95, 65%, 37%)
HSVhsv(95, 79%, 61%)
CMYKcmyk(46.5%, 0%, 78.7%, 39.2%)
CIE-LABlab(57.45, -43.07, 52.63)
CIE-LCHlch(57.45, 68.01, 129.30°)
OKLaboklab(61.89% -0.1202 0.117)
OKLCHoklch(61.89% 0.168 135.8)
XYZxyz(15.5627, 25.3905, 5.5194)
Luminance0.2539 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#539B21 #69219B
analogous
#909B21 #539B21 #219B2C
triadic
#539B21 #21539B #9B2153
tetradic
#539B21 #21909B #69219B #9B2C21
square
#539B21 #21909B #69219B #9B2C21
split-complementary
#539B21 #2C219B #9B2190
monochromatic
#1D360C #386916 #539B21 #6ECD2C #90DC5A

Accessibility & contrast

On white

3.45
#539B21 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.08
#539B21 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539B21
6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##539B21#FFFFFF#000000##000000
##539B211.003.456.086.08
#FFFFFF3.451.0021.0021.00
#0000006.0821.001.001.00
##0000006.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A18E00
Deuteranopia (green-blind)
#97882E
Tritanopia (blue-blind)
#509584
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #539b21;
/* rgb */ color: rgb(83, 155, 33);
/* oklch */ color: oklch(61.9% 0.168 135.8);
Tailwind
colors: {
  custom: {
    50: '#8ab966',
    500: '#539b21',
    950: '#000000',
  },
}
SCSS
$custom: #539b21;
$custom-light: #8ab966;
$custom-dark: #000000;
JSON
{
  "hex": "#539b21",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 33
  },
  "hsl": {
    "h": 95.41,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.61888,
    "c": 0.16775,
    "h": 135.8
  },
  "luminance": 0.25391
}

Semantic roles & 50–950 ramp

primary
#539B21
secondary
#9558C0
accent
#40E8A3
background
#F8FBF6
surface
#F0F6EB
border
#CBD0C6
text
#0C1106
muted
#7D807A

Preview Lab

Preview with #539B21

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

Preview Lab → · Contrast checker → · Palette generator →

#539B21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva