#537D1B#537D1B

#537D1B is a mid, vivid yellow-green. Relative luminance 0.166; OKLCH L 53.9% C 0.133 H 130.5°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#537D1B
RGB	rgb(83, 125, 27)
HSL	hsl(86, 64%, 30%)
HSV	hsv(86, 78%, 49%)
CMYK	cmyk(33.6%, 0%, 78.4%, 51%)
CIE-LAB	lab(47.73, -30.32, 45.38)
CIE-LCH	lch(47.73, 54.58, 123.75°)
OKLab	oklab(53.92% -0.0862 0.1009)
OKLCH	oklch(53.92% 0.133 130.5)
XYZ	xyz(11.0987, 16.5850, 3.6532)
Luminance	0.1658 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537D1B #451B7D

analogous

#7D761B #537D1B #227D1B

triadic

#537D1B #1B537D #7D1B53

tetradic

#537D1B #1B7D76 #451B7D #7D1B22

square

#537D1B #1B7D76 #451B7D #7D1B22

split-complementary

#537D1B #1B227D #761B7D

monochromatic

#111905 #324B10 #537D1B #74AF26 #94D53D

Accessibility & contrast

On white

4.86

#537D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#537D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537D1B

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537D1B	#FFFFFF	#000000	##FFFFFF
##537D1B	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837304

Deuteranopia (green-blind)

#7D7025

Tritanopia (blue-blind)

#55776A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #537d1b;
/* rgb */ color: rgb(83, 125, 27);
/* oklch */ color: oklch(53.9% 0.133 130.5);

Tailwind

colors: {
  custom: {
    50: '#87a360',
    500: '#537d1b',
    950: '#000000',
  },
}

SCSS

$custom: #537d1b;
$custom-light: #87a360;
$custom-dark: #000000;

JSON

{
  "hex": "#537d1b",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 27
  },
  "hsl": {
    "h": 85.714,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.53921,
    "c": 0.1327,
    "h": 130.5
  },
  "luminance": 0.16585
}

Semantic roles & 50–950 ramp

primary

#537D1B

secondary

#7243B1

accent

#40E788

background

#F8FAF5

surface

#F0F3EA

border

#CBCDC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #537D1B

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

Preview Lab → · Contrast checker → · Palette generator →