#538D18#538D18

#538D18 is a mid, vivid yellow-green. Relative luminance 0.210; OKLCH L 58.1% C 0.155 H 133.3°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#538D18
RGB	rgb(83, 141, 24)
HSL	hsl(90, 71%, 32%)
HSV	hsv(90, 83%, 55%)
CMYK	cmyk(41.1%, 0%, 83%, 44.7%)
CIE-LAB	lab(52.90, -37.68, 51.16)
CIE-LCH	lch(52.90, 63.54, 126.37°)
OKLab	oklab(58.14% -0.1062 0.1126)
OKLCH	oklch(58.14% 0.155 133.3)
XYZ	xyz(13.2568, 20.9540, 4.2100)
Luminance	0.2095 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538D18 #52188D

analogous

#8D8D18 #538D18 #188D18

triadic

#538D18 #18538D #8D1853

tetradic

#538D18 #188D8D #52188D #8D1818

square

#538D18 #188D8D #52188D #8D1818

split-complementary

#538D18 #18188D #8D188D

monochromatic

#152406 #34590F #538D18 #72C121 #90DF41

Accessibility & contrast

On white

4.05

#538D18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#538D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538D18

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538D18	#FFFFFF	#000000	##000000
##538D18	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#8B7D26

Tritanopia (blue-blind)

#538778

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #538d18;
/* rgb */ color: rgb(83, 141, 24);
/* oklch */ color: oklch(58.1% 0.155 133.3);

Tailwind

colors: {
  custom: {
    50: '#89af61',
    500: '#538d18',
    950: '#000000',
  },
}

SCSS

$custom: #538d18;
$custom-light: #89af61;
$custom-dark: #000000;

JSON

{
  "hex": "#538d18",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 24
  },
  "hsl": {
    "h": 89.744,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58138,
    "c": 0.15479,
    "h": 133.3
  },
  "luminance": 0.20955
}

Semantic roles & 50–950 ramp

primary

#538D18

secondary

#8042BF

accent

#3AEE93

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #538D18

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

Preview Lab → · Contrast checker → · Palette generator →