#3F4F15#3F4F15

#3F4F15 is a dark, moderate yellow-green. Relative luminance 0.067; OKLCH L 40.1% C 0.084 H 123.5°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#3F4F15
RGB	rgb(63, 79, 21)
HSL	hsl(77, 58%, 20%)
HSV	hsv(77, 73%, 31%)
CMYK	cmyk(20.3%, 0%, 73.4%, 69%)
CIE-LAB	lab(31.12, -15.99, 30.86)
CIE-LCH	lch(31.12, 34.76, 117.39°)
OKLab	oklab(40.08% -0.0462 0.0699)
OKLCH	oklch(40.08% 0.084 123.5)
XYZ	xyz(4.9813, 6.7028, 1.7407)
Luminance	0.0670 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4F15 #25154F

analogous

#4F4215 #3F4F15 #224F15

triadic

#3F4F15 #153F4F #4F153F

tetradic

#3F4F15 #154F42 #25154F #4F1522

square

#3F4F15 #154F42 #25154F #4F1522

split-complementary

#3F4F15 #15224F #42154F

monochromatic

#131806 #181F08 #3F4F15 #667F22 #8CB02F

Accessibility & contrast

On white

8.97

#3F4F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3F4F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4F15

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4F15	#FFFFFF	#000000	##FFFFFF
##3F4F15	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A0D

Deuteranopia (green-blind)

#52491A

Tritanopia (blue-blind)

#424B43

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f4f15;
/* rgb */ color: rgb(63, 79, 21);
/* oklch */ color: oklch(40.1% 0.084 123.5);

Tailwind

colors: {
  custom: {
    50: '#768056',
    500: '#3f4f15',
    950: '#000000',
  },
}

SCSS

$custom: #3f4f15;
$custom-light: #768056;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4f15",
  "rgb": {
    "r": 63,
    "g": 79,
    "b": 21
  },
  "hsl": {
    "h": 76.552,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.40075,
    "c": 0.08381,
    "h": 123.5
  },
  "luminance": 0.06703
}

Semantic roles & 50–950 ramp

primary

#3F4F15

secondary

#4E3987

accent

#47E171

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #3F4F15

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

Preview Lab → · Contrast checker → · Palette generator →