#528B33#528B33

#528B33 is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.8% C 0.135 H 136.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#528B33
RGB	rgb(82, 139, 51)
HSL	hsl(99, 46%, 37%)
HSV	hsv(99, 63%, 55%)
CMYK	cmyk(41%, 0%, 63.3%, 45.5%)
CIE-LAB	lab(52.40, -35.16, 40.22)
CIE-LCH	lch(52.40, 53.42, 131.16°)
OKLab	oklab(57.77% -0.0974 0.0934)
OKLCH	oklch(57.77% 0.135 136.2)
XYZ	xyz(13.3095, 20.4974, 6.3864)
Luminance	0.2050 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528B33 #6C338B

analogous

#7E8B33 #528B33 #338B40

triadic

#528B33 #33528B #8B3352

tetradic

#528B33 #337E8B #6C338B #8B4033

square

#528B33 #337E8B #6C338B #8B4033

split-complementary

#528B33 #40338B #8B337E

monochromatic

#1D3112 #385E23 #528B33 #6CB843 #8FCA6E

Accessibility & contrast

On white

4.12

#528B33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#528B33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528B33

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528B33	#FFFFFF	#000000	##000000
##528B33	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908029

Deuteranopia (green-blind)

#887B3A

Tritanopia (blue-blind)

#508678

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #528b33;
/* rgb */ color: rgb(82, 139, 51);
/* oklch */ color: oklch(57.8% 0.135 136.2);

Tailwind

colors: {
  custom: {
    50: '#87ad6e',
    500: '#528b33',
    950: '#000000',
  },
}

SCSS

$custom: #528b33;
$custom-light: #87ad6e;
$custom-dark: #000000;

JSON

{
  "hex": "#528b33",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 51
  },
  "hsl": {
    "h": 98.864,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.57773,
    "c": 0.13496,
    "h": 136.2
  },
  "luminance": 0.20498
}

Semantic roles & 50–950 ramp

primary

#528B33

secondary

#9868B2

accent

#52D6A7

background

#F8FAF6

surface

#F0F4EC

border

#CBCEC7

text

#0C1007

muted

#7D7F7A

Preview Lab

Preview with #528B33

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

Preview Lab → · Contrast checker → · Palette generator →