#3F5B13#3F5B13

#3F5B13 is a dark, moderate yellow-green. Relative luminance 0.086; OKLCH L 43.4% C 0.103 H 128.8°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F5B13
RGB	rgb(63, 91, 19)
HSL	hsl(83, 65%, 22%)
HSV	hsv(83, 79%, 36%)
CMYK	cmyk(30.8%, 0%, 79.1%, 64.3%)
CIE-LAB	lab(35.17, -22.51, 35.80)
CIE-LCH	lch(35.17, 42.29, 122.16°)
OKLab	oklab(43.36% -0.0643 0.0799)
OKLCH	oklch(43.36% 0.103 128.8)
XYZ	xyz(5.9085, 8.5858, 1.9619)
Luminance	0.0859 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5B13 #2F135B

analogous

#5B5313 #3F5B13 #1B5B13

triadic

#3F5B13 #133F5B #5B133F

tetradic

#3F5B13 #135B53 #2F135B #5B131B

square

#3F5B13 #135B53 #2F135B #5B131B

split-complementary

#3F5B13 #131B5B #53135B

monochromatic

#121905 #1C2808 #3F5B13 #628E1E #85C028

Accessibility & contrast

On white

7.73

#3F5B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3F5B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5B13

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5B13	#FFFFFF	#000000	##FFFFFF
##3F5B13	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605405

Deuteranopia (green-blind)

#5C521A

Tritanopia (blue-blind)

#41574D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f5b13;
/* rgb */ color: rgb(63, 91, 19);
/* oklch */ color: oklch(43.4% 0.103 128.8);

Tailwind

colors: {
  custom: {
    50: '#778957',
    500: '#3f5b13',
    950: '#000000',
  },
}

SCSS

$custom: #3f5b13;
$custom-light: #778957;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5b13",
  "rgb": {
    "r": 63,
    "g": 91,
    "b": 19
  },
  "hsl": {
    "h": 83.333,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.43355,
    "c": 0.10258,
    "h": 128.8
  },
  "luminance": 0.08586
}

Semantic roles & 50–950 ramp

primary

#3F5B13

secondary

#5B3793

accent

#3FE881

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5B13

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

Preview Lab → · Contrast checker → · Palette generator →