#3F641A#3F641A

#3F641A is a mid, moderate yellow-green. Relative luminance 0.102; OKLCH L 45.9% C 0.110 H 132.4°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F641A
RGB	rgb(63, 100, 26)
HSL	hsl(90, 59%, 25%)
HSV	hsv(90, 74%, 39%)
CMYK	cmyk(37%, 0%, 74%, 60.8%)
CIE-LAB	lab(38.28, -26.46, 36.02)
CIE-LCH	lch(38.28, 44.69, 126.31°)
OKLab	oklab(45.9% -0.0744 0.0815)
OKLCH	oklch(45.9% 0.11 132.4)
XYZ	xyz(6.7934, 10.2454, 2.5967)
Luminance	0.1025 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F641A #3F1A64

analogous

#64641A #3F641A #1A641A

triadic

#3F641A #1A3F64 #641A3F

tetradic

#3F641A #1A6464 #3F1A64 #641A1A

square

#3F641A #1A6464 #3F1A64 #641A1A

split-complementary

#3F641A #1A1A64 #641A64

monochromatic

#0F1806 #20330D #3F641A #5E9527 #7CC533

Accessibility & contrast

On white

6.89

#3F641A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3F641A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F641A

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F641A	#FFFFFF	#000000	##FFFFFF
##3F641A	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685C0E

Deuteranopia (green-blind)

#635921

Tritanopia (blue-blind)

#406055

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f641a;
/* rgb */ color: rgb(63, 100, 26);
/* oklch */ color: oklch(45.9% 0.110 132.4);

Tailwind

colors: {
  custom: {
    50: '#77905b',
    500: '#3f641a',
    950: '#000000',
  },
}

SCSS

$custom: #3f641a;
$custom-light: #77905b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f641a",
  "rgb": {
    "r": 63,
    "g": 100,
    "b": 26
  },
  "hsl": {
    "h": 90,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.459,
    "c": 0.1104,
    "h": 132.4
  },
  "luminance": 0.10246
}

Semantic roles & 50–950 ramp

primary

#3F641A

secondary

#6D409A

accent

#46E294

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090C04

muted

#7B7D79

Preview Lab

Preview with #3F641A

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

Preview Lab → · Contrast checker → · Palette generator →