#537F1B#537F1B

#537F1B is a mid, vivid yellow-green. Relative luminance 0.171; OKLCH L 54.4% C 0.135 H 131.0°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#537F1B
RGB	rgb(83, 127, 27)
HSL	hsl(86, 65%, 30%)
HSV	hsv(86, 79%, 50%)
CMYK	cmyk(34.6%, 0%, 78.7%, 50.2%)
CIE-LAB	lab(48.38, -31.25, 46.00)
CIE-LCH	lch(48.38, 55.61, 124.19°)
OKLab	oklab(54.45% -0.0887 0.1022)
OKLCH	oklch(54.45% 0.135 131)
XYZ	xyz(11.3544, 17.0965, 3.7384)
Luminance	0.1710 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537F1B #471B7F

analogous

#7F791B #537F1B #217F1B

triadic

#537F1B #1B537F #7F1B53

tetradic

#537F1B #1B7F79 #471B7F #7F1B21

square

#537F1B #1B7F79 #471B7F #7F1B21

split-complementary

#537F1B #1B217F #791B7F

monochromatic

#111A06 #324D10 #537F1B #74B126 #93D63E

Accessibility & contrast

On white

4.75

#537F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#537F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537F1B

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537F1B	#FFFFFF	#000000	##FFFFFF
##537F1B	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857503

Deuteranopia (green-blind)

#7F7225

Tritanopia (blue-blind)

#55796C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #537f1b;
/* rgb */ color: rgb(83, 127, 27);
/* oklch */ color: oklch(54.4% 0.135 131.0);

Tailwind

colors: {
  custom: {
    50: '#87a460',
    500: '#537f1b',
    950: '#000000',
  },
}

SCSS

$custom: #537f1b;
$custom-light: #87a460;
$custom-dark: #000000;

JSON

{
  "hex": "#537f1b",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 27
  },
  "hsl": {
    "h": 86.4,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.5445,
    "c": 0.13534,
    "h": 131
  },
  "luminance": 0.17097
}

Semantic roles & 50–950 ramp

primary

#537F1B

secondary

#7443B3

accent

#40E88A

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #537F1B

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

Preview Lab → · Contrast checker → · Palette generator →