#3F6B17#3F6B17

#3F6B17 is a mid, vivid yellow-green. Relative luminance 0.116; OKLCH L 47.8% C 0.122 H 133.6°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F6B17
RGB	rgb(63, 107, 23)
HSL	hsl(91, 65%, 25%)
HSV	hsv(91, 79%, 42%)
CMYK	cmyk(41.1%, 0%, 78.5%, 58%)
CIE-LAB	lab(40.63, -29.99, 39.58)
CIE-LCH	lch(40.63, 49.66, 127.15°)
OKLab	oklab(47.81% -0.0842 0.0885)
OKLCH	oklch(47.81% 0.122 133.6)
XYZ	xyz(7.4621, 11.6337, 2.6628)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6B17 #43176B

analogous

#696B17 #3F6B17 #176B19

triadic

#3F6B17 #173F6B #6B173F

tetradic

#3F6B17 #17696B #43176B #6B1917

square

#3F6B17 #17696B #43176B #6B1917

split-complementary

#3F6B17 #19176B #6B1769

monochromatic

#0F1905 #21390C #3F6B17 #5D9D22 #7AD02D

Accessibility & contrast

On white

6.31

#3F6B17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3F6B17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6B17

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6B17	#FFFFFF	#000000	##FFFFFF
##3F6B17	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706206

Deuteranopia (green-blind)

#6A5F1F

Tritanopia (blue-blind)

#3F665B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f6b17;
/* rgb */ color: rgb(63, 107, 23);
/* oklch */ color: oklch(47.8% 0.122 133.6);

Tailwind

colors: {
  custom: {
    50: '#78965b',
    500: '#3f6b17',
    950: '#000000',
  },
}

SCSS

$custom: #3f6b17;
$custom-light: #78965b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6b17",
  "rgb": {
    "r": 63,
    "g": 107,
    "b": 23
  },
  "hsl": {
    "h": 91.429,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.47812,
    "c": 0.1222,
    "h": 133.6
  },
  "luminance": 0.11634
}

Semantic roles & 50–950 ramp

primary

#3F6B17

secondary

#713DA1

accent

#40E898

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#090D04

muted

#7B7E79

Preview Lab

Preview with #3F6B17

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

Preview Lab → · Contrast checker → · Palette generator →