#528B1F#528B1F

#528B1F is a mid, vivid yellow-green. Relative luminance 0.204; OKLCH L 57.6% C 0.149 H 133.8°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#528B1F
RGB	rgb(82, 139, 31)
HSL	hsl(92, 64%, 33%)
HSV	hsv(92, 78%, 55%)
CMYK	cmyk(41%, 0%, 77.7%, 45.5%)
CIE-LAB	lab(52.24, -36.79, 48.29)
CIE-LCH	lch(52.24, 60.70, 127.30°)
OKLab	oklab(57.6% -0.1033 0.1077)
OKLCH	oklch(57.6% 0.149 133.8)
XYZ	xyz(12.9594, 20.3574, 4.5426)
Luminance	0.2036 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528B1F #581F8B

analogous

#888B1F #528B1F #1F8B22

triadic

#528B1F #1F528B #8B1F52

tetradic

#528B1F #1F888B #581F8B #8B221F

square

#528B1F #1F888B #581F8B #8B221F

split-complementary

#528B1F #221F8B #8B1F88

monochromatic

#172709 #345914 #528B1F #70BD2A #8ED74D

Accessibility & contrast

On white

4.14

#528B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#528B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528B1F

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528B1F	#FFFFFF	#000000	##000000
##528B1F	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F05

Deuteranopia (green-blind)

#897B2A

Tritanopia (blue-blind)

#528577

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #528b1f;
/* rgb */ color: rgb(82, 139, 31);
/* oklch */ color: oklch(57.6% 0.149 133.8);

Tailwind

colors: {
  custom: {
    50: '#88ad63',
    500: '#528b1f',
    950: '#000000',
  },
}

SCSS

$custom: #528b1f;
$custom-light: #88ad63;
$custom-dark: #000000;

JSON

{
  "hex": "#528b1f",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 31
  },
  "hsl": {
    "h": 91.667,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57595,
    "c": 0.14921,
    "h": 133.8
  },
  "luminance": 0.20358
}

Semantic roles & 50–950 ramp

primary

#528B1F

secondary

#864CBA

accent

#41E798

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #528B1F

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

Preview Lab → · Contrast checker → · Palette generator →