#3F6B18#3F6B18

#3F6B18 is a mid, vivid yellow-green. Relative luminance 0.116; OKLCH L 47.8% C 0.122 H 133.7°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F6B18
RGB	rgb(63, 107, 24)
HSL	hsl(92, 63%, 26%)
HSV	hsv(92, 78%, 42%)
CMYK	cmyk(41.1%, 0%, 77.6%, 58%)
CIE-LAB	lab(40.63, -29.92, 39.20)
CIE-LCH	lch(40.63, 49.32, 127.35°)
OKLab	oklab(47.82% -0.084 0.0879)
OKLCH	oklch(47.82% 0.122 133.7)
XYZ	xyz(7.4723, 11.6377, 2.7166)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6B18 #44186B

analogous

#686B18 #3F6B18 #186B1A

triadic

#3F6B18 #183F6B #6B183F

tetradic

#3F6B18 #18686B #44186B #6B1A18

square

#3F6B18 #18686B #44186B #6B1A18

split-complementary

#3F6B18 #1A186B #6B1868

monochromatic

#0F1906 #22390D #3F6B18 #5C9D23 #7ACF2E

Accessibility & contrast

On white

6.31

#3F6B18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3F6B18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6B18

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6B18	#FFFFFF	#000000	##FFFFFF
##3F6B18	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)

#6F6208

Deuteranopia (green-blind)

#6A5F20

Tritanopia (blue-blind)

#3F675B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f6b18;
/* rgb */ color: rgb(63, 107, 24);
/* oklch */ color: oklch(47.8% 0.122 133.7);

Tailwind

colors: {
  custom: {
    50: '#78965b',
    500: '#3f6b18',
    950: '#000000',
  },
}

SCSS

$custom: #3f6b18;
$custom-light: #78965b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6b18",
  "rgb": {
    "r": 63,
    "g": 107,
    "b": 24
  },
  "hsl": {
    "h": 91.807,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.47819,
    "c": 0.12157,
    "h": 133.7
  },
  "luminance": 0.11638
}

Semantic roles & 50–950 ramp

primary

#3F6B18

secondary

#723EA1

accent

#41E699

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#090D04

muted

#7B7E79

Preview Lab

Preview with #3F6B18

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

Preview Lab → · Contrast checker → · Palette generator →