#528F31#528F31

#528F31 is a mid, vivid yellow-green. Relative luminance 0.217; OKLCH L 58.8% C 0.142 H 136.4°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#528F31
RGB	rgb(82, 143, 49)
HSL	hsl(99, 49%, 38%)
HSV	hsv(99, 66%, 56%)
CMYK	cmyk(42.7%, 0%, 65.7%, 43.9%)
CIE-LAB	lab(53.66, -37.13, 42.53)
CIE-LCH	lch(53.66, 56.45, 131.12°)
OKLab	oklab(58.8% -0.1029 0.0981)
OKLCH	oklch(58.8% 0.142 136.4)
XYZ	xyz(13.8561, 21.6597, 6.3558)
Luminance	0.2166 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528F31 #6E318F

analogous

#818F31 #528F31 #318F3F

triadic

#528F31 #31528F #8F3152

tetradic

#528F31 #31818F #6E318F #8F3F31

square

#528F31 #31818F #6E318F #8F3F31

split-complementary

#528F31 #3F318F #8F3181

monochromatic

#1E3412 #386121 #528F31 #6CBD41 #8FCD6D

Accessibility & contrast

On white

3.94

#528F31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#528F31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528F31

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528F31	#FFFFFF	#000000	##000000
##528F31	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948325

Deuteranopia (green-blind)

#8C7E39

Tritanopia (blue-blind)

#508A7B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #528f31;
/* rgb */ color: rgb(82, 143, 49);
/* oklch */ color: oklch(58.8% 0.142 136.4);

Tailwind

colors: {
  custom: {
    50: '#87b06e',
    500: '#528f31',
    950: '#000000',
  },
}

SCSS

$custom: #528f31;
$custom-light: #87b06e;
$custom-dark: #000000;

JSON

{
  "hex": "#528f31",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 49
  },
  "hsl": {
    "h": 98.936,
    "s": 48.958,
    "l": 37.647
  },
  "oklch": {
    "l": 0.58805,
    "c": 0.14216,
    "h": 136.4
  },
  "luminance": 0.21661
}

Semantic roles & 50–950 ramp

primary

#528F31

secondary

#9967B5

accent

#4FD9A8

background

#F8FAF6

surface

#F0F5EC

border

#CBCFC7

text

#0C1007

muted

#7D7F7A

Preview Lab

Preview with #528F31

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

Preview Lab → · Contrast checker → · Palette generator →