#3F641F#3F641F

#3F641F is a mid, moderate yellow-green. Relative luminance 0.103; OKLCH L 45.9% C 0.106 H 133.2°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F641F
RGB	rgb(63, 100, 31)
HSL	hsl(92, 53%, 26%)
HSV	hsv(92, 69%, 39%)
CMYK	cmyk(37%, 0%, 69%, 60.8%)
CIE-LAB	lab(38.32, -26.03, 33.81)
CIE-LCH	lch(38.32, 42.67, 127.59°)
OKLab	oklab(45.95% -0.0728 0.0776)
OKLCH	oklch(45.95% 0.106 133.2)
XYZ	xyz(6.8543, 10.2698, 2.9172)
Luminance	0.1027 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F641F #441F64

analogous

#61641F #3F641F #1F6421

triadic

#3F641F #1F3F64 #641F3F

tetradic

#3F641F #1F6164 #441F64 #64211F

square

#3F641F #1F6164 #441F64 #64211F

split-complementary

#3F641F #211F64 #641F61

monochromatic

#0F1707 #223511 #3F641F #5C932D #7AC13C

Accessibility & contrast

On white

6.88

#3F641F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3F641F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F641F

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F641F	#FFFFFF	#000000	##FFFFFF
##3F641F	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685C16

Deuteranopia (green-blind)

#635925

Tritanopia (blue-blind)

#3F6056

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f641f;
/* rgb */ color: rgb(63, 100, 31);
/* oklch */ color: oklch(45.9% 0.106 133.2);

Tailwind

colors: {
  custom: {
    50: '#77905e',
    500: '#3f641f',
    950: '#000000',
  },
}

SCSS

$custom: #3f641f;
$custom-light: #77905e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f641f",
  "rgb": {
    "r": 63,
    "g": 100,
    "b": 31
  },
  "hsl": {
    "h": 92.174,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.45949,
    "c": 0.10645,
    "h": 133.2
  },
  "luminance": 0.1027
}

Semantic roles & 50–950 ramp

primary

#3F641F

secondary

#724698

accent

#4CDC99

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090C05

muted

#7B7D79

Preview Lab

Preview with #3F641F

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

Preview Lab → · Contrast checker → · Palette generator →