#3F6F18#3F6F18

#3F6F18 is a mid, vivid yellow-green. Relative luminance 0.125; OKLCH L 48.9% C 0.127 H 134.4°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F6F18
RGB	rgb(63, 111, 24)
HSL	hsl(93, 64%, 26%)
HSV	hsv(93, 78%, 44%)
CMYK	cmyk(43.2%, 0%, 78.4%, 56.5%)
CIE-LAB	lab(41.99, -31.74, 40.53)
CIE-LCH	lch(41.99, 51.48, 128.07°)
OKLab	oklab(48.93% -0.0889 0.0907)
OKLCH	oklch(48.93% 0.127 134.4)
XYZ	xyz(7.8991, 12.4912, 2.8588)
Luminance	0.1249 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6F18 #48186F

analogous

#6B6F18 #3F6F18 #186F1D

triadic

#3F6F18 #183F6F #6F183F

tetradic

#3F6F18 #186B6F #48186F #6F1D18

square

#3F6F18 #186B6F #48186F #6F1D18

split-complementary

#3F6F18 #1D186F #6F186B

monochromatic

#0E1905 #223D0D #3F6F18 #5CA123 #78D22F

Accessibility & contrast

On white

6.00

#3F6F18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#3F6F18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6F18

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6F18	#FFFFFF	#000000	##FFFFFF
##3F6F18	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736606

Deuteranopia (green-blind)

#6D6221

Tritanopia (blue-blind)

#3E6A5E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3f6f18;
/* rgb */ color: rgb(63, 111, 24);
/* oklch */ color: oklch(48.9% 0.127 134.4);

Tailwind

colors: {
  custom: {
    50: '#79995c',
    500: '#3f6f18',
    950: '#000000',
  },
}

SCSS

$custom: #3f6f18;
$custom-light: #79995c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6f18",
  "rgb": {
    "r": 63,
    "g": 111,
    "b": 24
  },
  "hsl": {
    "h": 93.103,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.48926,
    "c": 0.12699,
    "h": 134.4
  },
  "luminance": 0.12492
}

Semantic roles & 50–950 ramp

primary

#3F6F18

secondary

#773EA5

accent

#40E79D

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#090E04

muted

#7B7E79

Preview Lab

Preview with #3F6F18

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

Preview Lab → · Contrast checker → · Palette generator →