#528B18#528B18

#528B18 is a mid, vivid yellow-green. Relative luminance 0.203; OKLCH L 57.6% C 0.153 H 133.3°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#528B18
RGB	rgb(82, 139, 24)
HSL	hsl(90, 71%, 32%)
HSV	hsv(90, 83%, 55%)
CMYK	cmyk(41%, 0%, 82.7%, 45.5%)
CIE-LAB	lab(52.20, -37.17, 50.51)
CIE-LCH	lch(52.20, 62.71, 126.35°)
OKLab	oklab(57.55% -0.1048 0.1112)
OKLCH	oklch(57.55% 0.153 133.3)
XYZ	xyz(12.8770, 20.3244, 4.1085)
Luminance	0.2032 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528B18 #51188B

analogous

#8B8B18 #528B18 #198B18

triadic

#528B18 #18528B #8B1852

tetradic

#528B18 #188B8B #51188B #8B1819

square

#528B18 #188B8B #51188B #8B1819

split-complementary

#528B18 #18198B #8B188B

monochromatic

#142306 #33570F #528B18 #71BF21 #8FDE3F

Accessibility & contrast

On white

4.15

#528B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#528B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528B18

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528B18	#FFFFFF	#000000	##000000
##528B18	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#897B26

Tritanopia (blue-blind)

#528576

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #528b18;
/* rgb */ color: rgb(82, 139, 24);
/* oklch */ color: oklch(57.6% 0.153 133.3);

Tailwind

colors: {
  custom: {
    50: '#88ad60',
    500: '#528b18',
    950: '#000000',
  },
}

SCSS

$custom: #528b18;
$custom-light: #88ad60;
$custom-dark: #000000;

JSON

{
  "hex": "#528b18",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 24
  },
  "hsl": {
    "h": 89.739,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.57553,
    "c": 0.15282,
    "h": 133.3
  },
  "luminance": 0.20325
}

Semantic roles & 50–950 ramp

primary

#528B18

secondary

#7F40BE

accent

#3AED93

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #528B18

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

Preview Lab → · Contrast checker → · Palette generator →