#3F5A13#3F5A13

#3F5A13 is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.101 H 128.5°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F5A13
RGB	rgb(63, 90, 19)
HSL	hsl(83, 65%, 21%)
HSV	hsv(83, 79%, 35%)
CMYK	cmyk(30%, 0%, 78.9%, 64.7%)
CIE-LAB	lab(34.83, -22.00, 35.47)
CIE-LCH	lch(34.83, 41.74, 121.81°)
OKLab	oklab(43.08% -0.0629 0.0792)
OKLCH	oklch(43.08% 0.101 128.5)
XYZ	xyz(5.8236, 8.4160, 1.9336)
Luminance	0.0842 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5A13 #2E135A

analogous

#5A5213 #3F5A13 #1C5A13

triadic

#3F5A13 #133F5A #5A133F

tetradic

#3F5A13 #135A52 #2E135A #5A131C

square

#3F5A13 #135A52 #2E135A #5A131C

split-complementary

#3F5A13 #131C5A #52135A

monochromatic

#121905 #1C2708 #3F5A13 #628D1E #86BF28

Accessibility & contrast

On white

7.83

#3F5A13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F5A13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5A13

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5A13	#FFFFFF	#000000	##FFFFFF
##3F5A13	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5306

Deuteranopia (green-blind)

#5B511A

Tritanopia (blue-blind)

#41564C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f5a13;
/* rgb */ color: rgb(63, 90, 19);
/* oklch */ color: oklch(43.1% 0.101 128.5);

Tailwind

colors: {
  custom: {
    50: '#778856',
    500: '#3f5a13',
    950: '#000000',
  },
}

SCSS

$custom: #3f5a13;
$custom-light: #778856;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5a13",
  "rgb": {
    "r": 63,
    "g": 90,
    "b": 19
  },
  "hsl": {
    "h": 82.817,
    "s": 65.138,
    "l": 21.373
  },
  "oklch": {
    "l": 0.43079,
    "c": 0.10116,
    "h": 128.5
  },
  "luminance": 0.08416
}

Semantic roles & 50–950 ramp

primary

#3F5A13

secondary

#593792

accent

#40E880

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5A13

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

Preview Lab → · Contrast checker → · Palette generator →