#537D23#537D23

#537D23 is a mid, vivid yellow-green. Relative luminance 0.166; OKLCH L 54.0% C 0.127 H 131.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#537D23
RGB	rgb(83, 125, 35)
HSL	hsl(88, 56%, 31%)
HSV	hsv(88, 72%, 49%)
CMYK	cmyk(33.6%, 0%, 72%, 51%)
CIE-LAB	lab(47.79, -29.78, 42.35)
CIE-LCH	lch(47.79, 51.78, 125.11°)
OKLab	oklab(53.98% -0.0841 0.0958)
OKLCH	oklch(53.98% 0.127 131.3)
XYZ	xyz(11.2042, 16.6272, 4.2088)
Luminance	0.1663 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537D23 #4D237D

analogous

#7D7A23 #537D23 #267D23

triadic

#537D23 #23537D #7D2353

tetradic

#537D23 #237D7A #4D237D #7D2326

square

#537D23 #237D7A #4D237D #7D2326

split-complementary

#537D23 #23267D #7A237D

monochromatic

#141D08 #334D16 #537D23 #73AD30 #91CD4D

Accessibility & contrast

On white

4.85

#537D23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#537D23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537D23

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537D23	#FFFFFF	#000000	##FFFFFF
##537D23	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837315

Deuteranopia (green-blind)

#7D702B

Tritanopia (blue-blind)

#55786B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #537d23;
/* rgb */ color: rgb(83, 125, 35);
/* oklch */ color: oklch(54.0% 0.127 131.3);

Tailwind

colors: {
  custom: {
    50: '#87a364',
    500: '#537d23',
    950: '#000000',
  },
}

SCSS

$custom: #537d23;
$custom-light: #87a364;
$custom-dark: #000000;

JSON

{
  "hex": "#537d23",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 35
  },
  "hsl": {
    "h": 88,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.53982,
    "c": 0.12749,
    "h": 131.3
  },
  "luminance": 0.16628
}

Semantic roles & 50–950 ramp

primary

#537D23

secondary

#7B4CAF

accent

#48E08F

background

#F8FAF6

surface

#F0F3EB

border

#CBCDC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #537D23

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

Preview Lab → · Contrast checker → · Palette generator →