#538A18#538A18

#538A18 is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.3% C 0.151 H 132.9°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#538A18
RGB	rgb(83, 138, 24)
HSL	hsl(89, 70%, 32%)
HSV	hsv(89, 83%, 54%)
CMYK	cmyk(39.9%, 0%, 82.6%, 45.9%)
CIE-LAB	lab(51.93, -36.37, 50.28)
CIE-LCH	lch(51.93, 62.06, 125.88°)
OKLab	oklab(57.34% -0.1027 0.1107)
OKLCH	oklch(57.34% 0.151 132.9)
XYZ	xyz(12.8205, 20.0813, 4.0645)
Luminance	0.2008 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538A18 #4F188A

analogous

#8A8818 #538A18 #1A8A18

triadic

#538A18 #18538A #8A1853

tetradic

#538A18 #188A88 #4F188A #8A181A

square

#538A18 #188A88 #4F188A #8A181A

split-complementary

#538A18 #181A8A #88188A

monochromatic

#142206 #34560F #538A18 #72BE21 #91DE3F

Accessibility & contrast

On white

4.19

#538A18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#538A18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538A18

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538A18	#FFFFFF	#000000	##000000
##538A18	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#897A25

Tritanopia (blue-blind)

#538475

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #538a18;
/* rgb */ color: rgb(83, 138, 24);
/* oklch */ color: oklch(57.3% 0.151 132.9);

Tailwind

colors: {
  custom: {
    50: '#89ac60',
    500: '#538a18',
    950: '#000000',
  },
}

SCSS

$custom: #538a18;
$custom-light: #89ac60;
$custom-dark: #000000;

JSON

{
  "hex": "#538a18",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 24
  },
  "hsl": {
    "h": 88.947,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.57343,
    "c": 0.15103,
    "h": 132.9
  },
  "luminance": 0.20082
}

Semantic roles & 50–950 ramp

primary

#538A18

secondary

#7D40BD

accent

#3BED91

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #538A18

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

Preview Lab → · Contrast checker → · Palette generator →