#3F601B#3F601B

#3F601B is a dark, moderate yellow-green. Relative luminance 0.095; OKLCH L 44.8% C 0.104 H 131.5°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F601B
RGB	rgb(63, 96, 27)
HSL	hsl(89, 56%, 24%)
HSV	hsv(89, 72%, 38%)
CMYK	cmyk(34.4%, 0%, 71.9%, 62.4%)
CIE-LAB	lab(36.93, -24.42, 34.18)
CIE-LCH	lch(36.93, 42.00, 125.54°)
OKLab	oklab(44.81% -0.0688 0.0778)
OKLCH	oklch(44.81% 0.104 131.5)
XYZ	xyz(6.4305, 9.5014, 2.5318)
Luminance	0.0950 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F601B #3C1B60

analogous

#605F1B #3F601B #1C601B

triadic

#3F601B #1B3F60 #601B3F

tetradic

#3F601B #1B605F #3C1B60 #601B1C

square

#3F601B #1B605F #3C1B60 #601B1C

split-complementary

#3F601B #1B1C60 #5F1B60

monochromatic

#101807 #20300E #3F601B #5E9028 #7EC036

Accessibility & contrast

On white

7.24

#3F601B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#3F601B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F601B

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F601B	#FFFFFF	#000000	##FFFFFF
##3F601B	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645911

Deuteranopia (green-blind)

#605621

Tritanopia (blue-blind)

#405C52

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3f601b;
/* rgb */ color: rgb(63, 96, 27);
/* oklch */ color: oklch(44.8% 0.104 131.5);

Tailwind

colors: {
  custom: {
    50: '#778d5c',
    500: '#3f601b',
    950: '#000000',
  },
}

SCSS

$custom: #3f601b;
$custom-light: #778d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f601b",
  "rgb": {
    "r": 63,
    "g": 96,
    "b": 27
  },
  "hsl": {
    "h": 88.696,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.44805,
    "c": 0.10387,
    "h": 131.5
  },
  "luminance": 0.09502
}

Semantic roles & 50–950 ramp

primary

#3F601B

secondary

#6A4196

accent

#48DF91

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090C04

muted

#7B7D79

Preview Lab

Preview with #3F601B

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

Preview Lab → · Contrast checker → · Palette generator →