#538D10#538D10

#538D10 is a mid, vivid yellow-green. Relative luminance 0.209; OKLCH L 58.1% C 0.158 H 132.9°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#538D10
RGB	rgb(83, 141, 16)
HSL	hsl(88, 80%, 31%)
HSV	hsv(88, 89%, 55%)
CMYK	cmyk(41.1%, 0%, 88.7%, 44.7%)
CIE-LAB	lab(52.87, -38.01, 53.18)
CIE-LCH	lch(52.87, 65.37, 125.55°)
OKLab	oklab(58.1% -0.1076 0.1156)
OKLCH	oklch(58.1% 0.158 132.9)
XYZ	xyz(13.1855, 20.9255, 3.8344)
Luminance	0.2093 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538D10 #4A108D

analogous

#8D8810 #538D10 #148D10

triadic

#538D10 #10538D #8D1053

tetradic

#538D10 #108D88 #4A108D #8D1014

square

#538D10 #108D88 #4A108D #8D1014

split-complementary

#538D10 #10148D #88108D

monochromatic

#121F04 #33560A #538D10 #73C416 #92E730

Accessibility & contrast

On white

4.05

#538D10 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#538D10 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538D10

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538D10	#FFFFFF	#000000	##000000
##538D10	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)

#8B7D21

Tritanopia (blue-blind)

#538777

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #538d10;
/* rgb */ color: rgb(83, 141, 16);
/* oklch */ color: oklch(58.1% 0.158 132.9);

Tailwind

colors: {
  custom: {
    50: '#89af5e',
    500: '#538d10',
    950: '#000000',
  },
}

SCSS

$custom: #538d10;
$custom-light: #89af5e;
$custom-dark: #000000;

JSON

{
  "hex": "#538d10",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 16
  },
  "hsl": {
    "h": 87.84,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.58102,
    "c": 0.15794,
    "h": 132.9
  },
  "luminance": 0.20926
}

Semantic roles & 50–950 ramp

primary

#538D10

secondary

#7737C2

accent

#32F68D

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C1005

muted

#7D7F79

Preview Lab

Preview with #538D10

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

Preview Lab → · Contrast checker → · Palette generator →