#3F5817#3F5817

#3F5817 is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.6% C 0.095 H 128.2°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F5817
RGB	rgb(63, 88, 23)
HSL	hsl(83, 59%, 22%)
HSV	hsv(83, 74%, 35%)
CMYK	cmyk(28.4%, 0%, 73.9%, 65.5%)
CIE-LAB	lab(34.19, -20.67, 33.12)
CIE-LCH	lch(34.19, 39.04, 121.97°)
OKLab	oklab(42.56% -0.0589 0.075)
OKLCH	oklch(42.56% 0.095 128.2)
XYZ	xyz(5.6943, 8.0979, 2.0735)
Luminance	0.0810 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5817 #301758

analogous

#585117 #3F5817 #1F5817

triadic

#3F5817 #173F58 #58173F

tetradic

#3F5817 #175851 #301758 #58171F

square

#3F5817 #175851 #301758 #58171F

split-complementary

#3F5817 #171F58 #511758

monochromatic

#111806 #1C270A #3F5817 #628924 #84B930

Accessibility & contrast

On white

8.02

#3F5817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3F5817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5817

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5817	#FFFFFF	#000000	##FFFFFF
##3F5817	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D510D

Deuteranopia (green-blind)

#59501C

Tritanopia (blue-blind)

#41544B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f5817;
/* rgb */ color: rgb(63, 88, 23);
/* oklch */ color: oklch(42.6% 0.095 128.2);

Tailwind

colors: {
  custom: {
    50: '#768758',
    500: '#3f5817',
    950: '#000000',
  },
}

SCSS

$custom: #3f5817;
$custom-light: #768758;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5817",
  "rgb": {
    "r": 63,
    "g": 88,
    "b": 23
  },
  "hsl": {
    "h": 83.077,
    "s": 58.559,
    "l": 21.765
  },
  "oklch": {
    "l": 0.42562,
    "c": 0.09535,
    "h": 128.2
  },
  "luminance": 0.08098
}

Semantic roles & 50–950 ramp

primary

#3F5817

secondary

#5C3C8F

accent

#46E282

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5817

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

Preview Lab → · Contrast checker → · Palette generator →