#537E21#537E21

#537E21 is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.2% C 0.130 H 131.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#537E21
RGB	rgb(83, 126, 33)
HSL	hsl(88, 58%, 31%)
HSV	hsv(88, 74%, 49%)
CMYK	cmyk(34.1%, 0%, 73.8%, 50.6%)
CIE-LAB	lab(48.10, -30.40, 43.48)
CIE-LCH	lch(48.10, 53.05, 124.96°)
OKLab	oklab(54.23% -0.0859 0.0979)
OKLCH	oklch(54.23% 0.13 131.3)
XYZ	xyz(11.3025, 16.8701, 4.0993)
Luminance	0.1687 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537E21 #4C217E

analogous

#7E7A21 #537E21 #247E21

triadic

#537E21 #21537E #7E2153

tetradic

#537E21 #217E7A #4C217E #7E2124

square

#537E21 #217E7A #4C217E #7E2124

split-complementary

#537E21 #21247E #7A217E

monochromatic

#131D08 #334E14 #537E21 #73AE2E #92D04A

Accessibility & contrast

On white

4.80

#537E21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#537E21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537E21

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537E21	#FFFFFF	#000000	##FFFFFF
##537E21	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847411

Deuteranopia (green-blind)

#7E712A

Tritanopia (blue-blind)

#55796C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #537e21;
/* rgb */ color: rgb(83, 126, 33);
/* oklch */ color: oklch(54.2% 0.130 131.3);

Tailwind

colors: {
  custom: {
    50: '#87a363',
    500: '#537e21',
    950: '#000000',
  },
}

SCSS

$custom: #537e21;
$custom-light: #87a363;
$custom-dark: #000000;

JSON

{
  "hex": "#537e21",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 33
  },
  "hsl": {
    "h": 87.742,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.5423,
    "c": 0.13025,
    "h": 131.3
  },
  "luminance": 0.16871
}

Semantic roles & 50–950 ramp

primary

#537E21

secondary

#7A4AB1

accent

#46E28E

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #537E21

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

Preview Lab → · Contrast checker → · Palette generator →