#538F18#538F18

#538F18 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.7% C 0.157 H 133.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#538F18
RGB	rgb(83, 143, 24)
HSL	hsl(90, 71%, 33%)
HSV	hsv(90, 83%, 56%)
CMYK	cmyk(42%, 0%, 83.2%, 43.9%)
CIE-LAB	lab(53.55, -38.54, 51.75)
CIE-LCH	lch(53.55, 64.52, 126.68°)
OKLab	oklab(58.67% -0.1086 0.1138)
OKLCH	oklch(58.67% 0.157 133.7)
XYZ	xyz(13.5544, 21.5492, 4.3092)
Luminance	0.2155 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538F18 #54188F

analogous

#8E8F18 #538F18 #188F19

triadic

#538F18 #18538F #8F1853

tetradic

#538F18 #188E8F #54188F #8F1918

square

#538F18 #188E8F #54188F #8F1918

split-complementary

#538F18 #19188F #8F188E

monochromatic

#162606 #355B0F #538F18 #71C321 #90DF42

Accessibility & contrast

On white

3.95

#538F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#538F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538F18

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538F18	#FFFFFF	#000000	##000000
##538F18	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8D7E26

Tritanopia (blue-blind)

#53897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #538f18;
/* rgb */ color: rgb(83, 143, 24);
/* oklch */ color: oklch(58.7% 0.157 133.7);

Tailwind

colors: {
  custom: {
    50: '#89b061',
    500: '#538f18',
    950: '#000000',
  },
}

SCSS

$custom: #538f18;
$custom-light: #89b061;
$custom-dark: #000000;

JSON

{
  "hex": "#538f18",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 90.252,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.58667,
    "c": 0.15727,
    "h": 133.7
  },
  "luminance": 0.2155
}

Semantic roles & 50–950 ramp

primary

#538F18

secondary

#8243C0

accent

#3AEE95

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #538F18

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

Preview Lab → · Contrast checker → · Palette generator →