#528F18#528F18

#528F18 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.6% C 0.158 H 133.9°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#528F18
RGB	rgb(82, 143, 24)
HSL	hsl(91, 71%, 33%)
HSV	hsv(91, 83%, 56%)
CMYK	cmyk(42.7%, 0%, 83.2%, 43.9%)
CIE-LAB	lab(53.50, -38.89, 51.69)
CIE-LCH	lch(53.50, 64.68, 126.96°)
OKLab	oklab(58.61% -0.1094 0.1137)
OKLCH	oklch(58.61% 0.158 133.9)
XYZ	xyz(13.4668, 21.5040, 4.3051)
Luminance	0.2150 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528F18 #55188F

analogous

#8D8F18 #528F18 #188F19

triadic

#528F18 #18528F #8F1852

tetradic

#528F18 #188D8F #55188F #8F1918

square

#528F18 #188D8F #55188F #8F1918

split-complementary

#528F18 #19188F #8F188D

monochromatic

#162606 #345B0F #528F18 #70C321 #8FDF42

Accessibility & contrast

On white

3.96

#528F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#528F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528F18

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528F18	#FFFFFF	#000000	##000000
##528F18	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8D7E26

Tritanopia (blue-blind)

#51897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #528f18;
/* rgb */ color: rgb(82, 143, 24);
/* oklch */ color: oklch(58.6% 0.158 133.9);

Tailwind

colors: {
  custom: {
    50: '#89b061',
    500: '#528f18',
    950: '#000000',
  },
}

SCSS

$custom: #528f18;
$custom-light: #89b061;
$custom-dark: #000000;

JSON

{
  "hex": "#528f18",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 90.756,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.58614,
    "c": 0.15781,
    "h": 133.9
  },
  "luminance": 0.21505
}

Semantic roles & 50–950 ramp

primary

#528F18

secondary

#8343C0

accent

#3AEE96

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #528F18

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

Preview Lab → · Contrast checker → · Palette generator →