#3F5E18#3F5E18

#3F5E18 is a dark, moderate yellow-green. Relative luminance 0.091; OKLCH L 44.2% C 0.103 H 130.4°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#3F5E18
RGB	rgb(63, 94, 24)
HSL	hsl(87, 59%, 23%)
HSV	hsv(87, 74%, 37%)
CMYK	cmyk(33%, 0%, 74.5%, 63.1%)
CIE-LAB	lab(36.23, -23.66, 34.78)
CIE-LCH	lch(36.23, 42.07, 124.23°)
OKLab	oklab(44.22% -0.067 0.0786)
OKLCH	oklch(44.22% 0.103 130.4)
XYZ	xyz(6.2174, 9.1279, 2.2983)
Luminance	0.0913 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5E18 #37185E

analogous

#5E5A18 #3F5E18 #1C5E18

triadic

#3F5E18 #183F5E #5E183F

tetradic

#3F5E18 #185E5A #37185E #5E181C

square

#3F5E18 #185E5A #37185E #5E181C

split-complementary

#3F5E18 #181C5E #5A185E

monochromatic

#101806 #1E2D0C #3F5E18 #608F24 #80C031

Accessibility & contrast

On white

7.43

#3F5E18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3F5E18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5E18

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5E18	#FFFFFF	#000000	##FFFFFF
##3F5E18	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63570D

Deuteranopia (green-blind)

#5E541E

Tritanopia (blue-blind)

#415A50

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f5e18;
/* rgb */ color: rgb(63, 94, 24);
/* oklch */ color: oklch(44.2% 0.103 130.4);

Tailwind

colors: {
  custom: {
    50: '#778c5a',
    500: '#3f5e18',
    950: '#000000',
  },
}

SCSS

$custom: #3f5e18;
$custom-light: #778c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5e18",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 24
  },
  "hsl": {
    "h": 86.571,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.44225,
    "c": 0.10329,
    "h": 130.4
  },
  "luminance": 0.09128
}

Semantic roles & 50–950 ramp

primary

#3F5E18

secondary

#643D94

accent

#45E38B

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090C04

muted

#7B7D79

Preview Lab

Preview with #3F5E18

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

Preview Lab → · Contrast checker → · Palette generator →