#537B1B#537B1B

#537B1B is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.4% C 0.130 H 130.0°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#537B1B
RGB	rgb(83, 123, 27)
HSL	hsl(85, 64%, 29%)
HSV	hsv(85, 78%, 48%)
CMYK	cmyk(32.5%, 0%, 78%, 51.8%)
CIE-LAB	lab(47.08, -29.38, 44.76)
CIE-LCH	lch(47.08, 53.54, 123.28°)
OKLab	oklab(53.39% -0.0836 0.0996)
OKLCH	oklch(53.39% 0.13 130)
XYZ	xyz(10.8480, 16.0837, 3.5696)
Luminance	0.1608 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537B1B #431B7B

analogous

#7B731B #537B1B #237B1B

triadic

#537B1B #1B537B #7B1B53

tetradic

#537B1B #1B7B73 #431B7B #7B1B23

square

#537B1B #1B7B73 #431B7B #7B1B23

split-complementary

#537B1B #1B237B #731B7B

monochromatic

#111906 #314910 #537B1B #75AD26 #95D43C

Accessibility & contrast

On white

4.98

#537B1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#537B1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537B1B

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537B1B	#FFFFFF	#000000	##FFFFFF
##537B1B	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817205

Deuteranopia (green-blind)

#7B6F25

Tritanopia (blue-blind)

#557569

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #537b1b;
/* rgb */ color: rgb(83, 123, 27);
/* oklch */ color: oklch(53.4% 0.130 130.0);

Tailwind

colors: {
  custom: {
    50: '#87a15f',
    500: '#537b1b',
    950: '#000000',
  },
}

SCSS

$custom: #537b1b;
$custom-light: #87a15f;
$custom-dark: #000000;

JSON

{
  "hex": "#537b1b",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 27
  },
  "hsl": {
    "h": 85,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.53393,
    "c": 0.13005,
    "h": 130
  },
  "luminance": 0.16084
}

Semantic roles & 50–950 ramp

primary

#537B1B

secondary

#7043AF

accent

#41E786

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #537B1B

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

Preview Lab → · Contrast checker → · Palette generator →