#3F671B#3F671B

#3F671B is a mid, moderate yellow-green. Relative luminance 0.108; OKLCH L 46.7% C 0.114 H 133.2°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F671B
RGB	rgb(63, 103, 27)
HSL	hsl(92, 58%, 25%)
HSV	hsv(92, 74%, 40%)
CMYK	cmyk(38.8%, 0%, 73.8%, 59.6%)
CIE-LAB	lab(39.30, -27.82, 36.64)
CIE-LCH	lch(39.30, 46.00, 127.21°)
OKLab	oklab(46.74% -0.078 0.083)
OKLCH	oklch(46.74% 0.114 133.2)
XYZ	xyz(7.0979, 10.8361, 2.7543)
Luminance	0.1084 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F671B #431B67

analogous

#65671B #3F671B #1B671D

triadic

#3F671B #1B3F67 #671B3F

tetradic

#3F671B #1B6567 #431B67 #671D1B

square

#3F671B #1B6567 #431B67 #671D1B

split-complementary

#3F671B #1D1B67 #671B65

monochromatic

#0F1806 #21370E #3F671B #5D9728 #7AC834

Accessibility & contrast

On white

6.63

#3F671B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3F671B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F671B

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F671B	#FFFFFF	#000000	##FFFFFF
##3F671B	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B5F0F

Deuteranopia (green-blind)

#665B22

Tritanopia (blue-blind)

#3F6358

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3f671b;
/* rgb */ color: rgb(63, 103, 27);
/* oklch */ color: oklch(46.7% 0.114 133.2);

Tailwind

colors: {
  custom: {
    50: '#78925c',
    500: '#3f671b',
    950: '#000000',
  },
}

SCSS

$custom: #3f671b;
$custom-light: #78925c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f671b",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 27
  },
  "hsl": {
    "h": 91.579,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.46738,
    "c": 0.11393,
    "h": 133.2
  },
  "luminance": 0.10836
}

Semantic roles & 50–950 ramp

primary

#3F671B

secondary

#71429C

accent

#46E298

background

#F7F9F5

surface

#EDF1E9

border

#C8CBC5

text

#090D04

muted

#7B7E79

Preview Lab

Preview with #3F671B

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

Preview Lab → · Contrast checker → · Palette generator →