#537F1F#537F1F

#537F1F is a mid, vivid yellow-green. Relative luminance 0.171; OKLCH L 54.5% C 0.133 H 131.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#537F1F
RGB	rgb(83, 127, 31)
HSL	hsl(88, 61%, 31%)
HSV	hsv(88, 76%, 50%)
CMYK	cmyk(34.6%, 0%, 75.6%, 50.2%)
CIE-LAB	lab(48.41, -31.00, 44.56)
CIE-LCH	lch(48.41, 54.29, 124.83°)
OKLab	oklab(54.48% -0.0877 0.0998)
OKLCH	oklch(54.48% 0.133 131.3)
XYZ	xyz(11.4039, 17.1163, 3.9990)
Luminance	0.1712 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537F1F #4B1F7F

analogous

#7F7B1F #537F1F #237F1F

triadic

#537F1F #1F537F #7F1F53

tetradic

#537F1F #1F7F7B #4B1F7F #7F1F23

square

#537F1F #1F7F7B #4B1F7F #7F1F23

split-complementary

#537F1F #1F237F #7B1F7F

monochromatic

#131D07 #334E13 #537F1F #73B02B #92D246

Accessibility & contrast

On white

4.75

#537F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#537F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537F1F

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537F1F	#FFFFFF	#000000	##FFFFFF
##537F1F	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)

#85750D

Deuteranopia (green-blind)

#7F7228

Tritanopia (blue-blind)

#55796C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #537f1f;
/* rgb */ color: rgb(83, 127, 31);
/* oklch */ color: oklch(54.5% 0.133 131.3);

Tailwind

colors: {
  custom: {
    50: '#87a462',
    500: '#537f1f',
    950: '#000000',
  },
}

SCSS

$custom: #537f1f;
$custom-light: #87a462;
$custom-dark: #000000;

JSON

{
  "hex": "#537f1f",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 31
  },
  "hsl": {
    "h": 87.5,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.54478,
    "c": 0.13291,
    "h": 131.3
  },
  "luminance": 0.17117
}

Semantic roles & 50–950 ramp

primary

#537F1F

secondary

#7848B2

accent

#44E48D

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #537F1F

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

Preview Lab → · Contrast checker → · Palette generator →