#538018#538018

#538018 is a mid, vivid yellow-green. Relative luminance 0.173; OKLCH L 54.7% C 0.138 H 131.0°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#538018
RGB	rgb(83, 128, 24)
HSL	hsl(86, 68%, 30%)
HSV	hsv(86, 81%, 50%)
CMYK	cmyk(35.2%, 0%, 81.3%, 49.8%)
CIE-LAB	lab(48.69, -31.88, 47.29)
CIE-LCH	lch(48.69, 57.04, 123.99°)
OKLab	oklab(54.7% -0.0906 0.1044)
OKLCH	oklch(54.7% 0.138 131)
XYZ	xyz(11.4512, 17.3429, 3.6081)
Luminance	0.1734 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538018 #451880

analogous

#807918 #538018 #1F8018

triadic

#538018 #185380 #801853

tetradic

#538018 #188079 #451880 #80181F

square

#538018 #188079 #451880 #80181F

split-complementary

#538018 #181F80 #791880

monochromatic

#111A05 #324C0E #538018 #74B422 #94DA39

Accessibility & contrast

On white

4.70

#538018 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#538018 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #538018

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538018	#FFFFFF	#000000	##FFFFFF
##538018	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867600

Deuteranopia (green-blind)

#807223

Tritanopia (blue-blind)

#557A6D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #538018;
/* rgb */ color: rgb(83, 128, 24);
/* oklch */ color: oklch(54.7% 0.138 131.0);

Tailwind

colors: {
  custom: {
    50: '#88a55f',
    500: '#538018',
    950: '#000000',
  },
}

SCSS

$custom: #538018;
$custom-light: #88a55f;
$custom-dark: #000000;

JSON

{
  "hex": "#538018",
  "rgb": {
    "r": 83,
    "g": 128,
    "b": 24
  },
  "hsl": {
    "h": 85.962,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.54696,
    "c": 0.13827,
    "h": 131
  },
  "luminance": 0.17343
}

Semantic roles & 50–950 ramp

primary

#538018

secondary

#7240B4

accent

#3DEB88

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #538018

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

Preview Lab → · Contrast checker → · Palette generator →