#3F5B16#3F5B16

#3F5B16 is a dark, moderate yellow-green. Relative luminance 0.086; OKLCH L 43.4% C 0.100 H 129.2°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F5B16
RGB	rgb(63, 91, 22)
HSL	hsl(84, 61%, 22%)
HSV	hsv(84, 76%, 36%)
CMYK	cmyk(30.8%, 0%, 75.8%, 64.3%)
CIE-LAB	lab(35.20, -22.30, 34.59)
CIE-LCH	lch(35.20, 41.15, 122.81°)
OKLab	oklab(43.38% -0.0635 0.0779)
OKLCH	oklch(43.38% 0.1 129.2)
XYZ	xyz(5.9358, 8.5967, 2.1055)
Luminance	0.0860 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5B16 #32165B

analogous

#5B5516 #3F5B16 #1C5B16

triadic

#3F5B16 #163F5B #5B163F

tetradic

#3F5B16 #165B55 #32165B #5B161C

square

#3F5B16 #165B55 #32165B #5B161C

split-complementary

#3F5B16 #161C5B #55165B

monochromatic

#111906 #1D2A0A #3F5B16 #618C22 #83BE2E

Accessibility & contrast

On white

7.72

#3F5B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3F5B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5B16

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5B16	#FFFFFF	#000000	##FFFFFF
##3F5B16	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60540B

Deuteranopia (green-blind)

#5C521C

Tritanopia (blue-blind)

#41574D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f5b16;
/* rgb */ color: rgb(63, 91, 22);
/* oklch */ color: oklch(43.4% 0.100 129.2);

Tailwind

colors: {
  custom: {
    50: '#778958',
    500: '#3f5b16',
    950: '#000000',
  },
}

SCSS

$custom: #3f5b16;
$custom-light: #778958;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5b16",
  "rgb": {
    "r": 63,
    "g": 91,
    "b": 22
  },
  "hsl": {
    "h": 84.348,
    "s": 61.062,
    "l": 22.157
  },
  "oklch": {
    "l": 0.43379,
    "c": 0.10046,
    "h": 129.2
  },
  "luminance": 0.08597
}

Semantic roles & 50–950 ramp

primary

#3F5B16

secondary

#5E3B92

accent

#44E485

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5B16

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

Preview Lab → · Contrast checker → · Palette generator →