#538C18#538C18

#538C18 is a mid, vivid yellow-green. Relative luminance 0.207; OKLCH L 57.9% C 0.154 H 133.2°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#538C18
RGB	rgb(83, 140, 24)
HSL	hsl(89, 71%, 32%)
HSV	hsv(89, 83%, 55%)
CMYK	cmyk(40.7%, 0%, 82.9%, 45.1%)
CIE-LAB	lab(52.58, -37.25, 50.87)
CIE-LCH	lch(52.58, 63.05, 126.21°)
OKLab	oklab(57.87% -0.1051 0.1119)
OKLCH	oklch(57.87% 0.154 133.2)
XYZ	xyz(13.1100, 20.6605, 4.1611)
Luminance	0.2066 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538C18 #51188C

analogous

#8C8B18 #538C18 #198C18

triadic

#538C18 #18538C #8C1853

tetradic

#538C18 #188C8B #51188C #8C1819

square

#538C18 #188C8B #51188C #8C1819

split-complementary

#538C18 #18198C #8B188C

monochromatic

#152406 #34580F #538C18 #72C021 #91DE40

Accessibility & contrast

On white

4.09

#538C18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#538C18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538C18

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538C18	#FFFFFF	#000000	##000000
##538C18	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#8A7C26

Tritanopia (blue-blind)

#538677

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #538c18;
/* rgb */ color: rgb(83, 140, 24);
/* oklch */ color: oklch(57.9% 0.154 133.2);

Tailwind

colors: {
  custom: {
    50: '#89ae60',
    500: '#538c18',
    950: '#000000',
  },
}

SCSS

$custom: #538c18;
$custom-light: #89ae60;
$custom-dark: #000000;

JSON

{
  "hex": "#538c18",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 24
  },
  "hsl": {
    "h": 89.483,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.57873,
    "c": 0.15354,
    "h": 133.2
  },
  "luminance": 0.20661
}

Semantic roles & 50–950 ramp

primary

#538C18

secondary

#7F41BF

accent

#3AED92

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #538C18

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

Preview Lab → · Contrast checker → · Palette generator →