#528F21#528F21

#528F21 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.7% C 0.153 H 134.6°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#528F21
RGB	rgb(82, 143, 33)
HSL	hsl(93, 63%, 35%)
HSV	hsv(93, 77%, 56%)
CMYK	cmyk(42.7%, 0%, 76.9%, 43.9%)
CIE-LAB	lab(53.54, -38.39, 48.85)
CIE-LCH	lch(53.54, 62.13, 128.16°)
OKLab	oklab(58.67% -0.1075 0.1091)
OKLCH	oklch(58.67% 0.153 134.6)
XYZ	xyz(13.5764, 21.5478, 4.8823)
Luminance	0.2155 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528F21 #5E218F

analogous

#898F21 #528F21 #218F27

triadic

#528F21 #21528F #8F2152

tetradic

#528F21 #21898F #5E218F #8F2721

square

#528F21 #21898F #5E218F #8F2721

split-complementary

#528F21 #27218F #8F2189

monochromatic

#192C0A #355D16 #528F21 #6FC12C #8ED753

Accessibility & contrast

On white

3.95

#528F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#528F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528F21

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528F21	#FFFFFF	#000000	##000000
##528F21	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)

#958308

Deuteranopia (green-blind)

#8C7E2C

Tritanopia (blue-blind)

#51897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #528f21;
/* rgb */ color: rgb(82, 143, 33);
/* oklch */ color: oklch(58.7% 0.153 134.6);

Tailwind

colors: {
  custom: {
    50: '#88b065',
    500: '#528f21',
    950: '#000000',
  },
}

SCSS

$custom: #528f21;
$custom-light: #88b065;
$custom-dark: #000000;

JSON

{
  "hex": "#528f21",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 33
  },
  "hsl": {
    "h": 93.273,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58668,
    "c": 0.1532,
    "h": 134.6
  },
  "luminance": 0.21549
}

Semantic roles & 50–950 ramp

primary

#528F21

secondary

#8C51BB

accent

#42E69D

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #528F21

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

Preview Lab → · Contrast checker → · Palette generator →