#539B18#539B18

#539B18 is a mid, vivid yellow-green. Relative luminance 0.253; OKLCH L 61.8% C 0.172 H 135.2°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#539B18
RGB	rgb(83, 155, 24)
HSL	hsl(93, 73%, 35%)
HSV	hsv(93, 85%, 61%)
CMYK	cmyk(46.5%, 0%, 84.5%, 39.2%)
CIE-LAB	lab(57.41, -43.53, 55.23)
CIE-LCH	lch(57.41, 70.32, 128.25°)
OKLab	oklab(61.84% -0.122 0.1211)
OKLCH	oklch(61.84% 0.172 135.2)
XYZ	xyz(15.4531, 25.3467, 4.9421)
Luminance	0.2535 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539B18 #60189B

analogous

#949B18 #539B18 #189B1F

triadic

#539B18 #18539B #9B1853

tetradic

#539B18 #18949B #60189B #9B1F18

square

#539B18 #18949B #60189B #9B1F18

split-complementary

#539B18 #1F189B #9B1894

monochromatic

#1A3108 #376610 #539B18 #6FD020 #8FE34A

Accessibility & contrast

On white

3.46

#539B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#539B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539B18

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539B18	#FFFFFF	#000000	##000000
##539B18	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E00

Deuteranopia (green-blind)

#988829

Tritanopia (blue-blind)

#519584

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #539b18;
/* rgb */ color: rgb(83, 155, 24);
/* oklch */ color: oklch(61.8% 0.172 135.2);

Tailwind

colors: {
  custom: {
    50: '#8bb963',
    500: '#539b18',
    950: '#000000',
  },
}

SCSS

$custom: #539b18;
$custom-light: #8bb963;
$custom-dark: #000000;

JSON

{
  "hex": "#539b18",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 24
  },
  "hsl": {
    "h": 92.977,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.6184,
    "c": 0.1719,
    "h": 135.2
  },
  "luminance": 0.25348
}

Semantic roles & 50–950 ramp

primary

#539B18

secondary

#8D4AC5

accent

#38F09D

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0D1106

muted

#7D807A

Preview Lab

Preview with #539B18

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

Preview Lab → · Contrast checker → · Palette generator →