#3F5B15#3F5B15

#3F5B15 is a dark, moderate yellow-green. Relative luminance 0.086; OKLCH L 43.4% C 0.101 H 129.0°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F5B15
RGB	rgb(63, 91, 21)
HSL	hsl(84, 63%, 22%)
HSV	hsv(84, 77%, 36%)
CMYK	cmyk(30.8%, 0%, 76.9%, 64.3%)
CIE-LAB	lab(35.19, -22.37, 35.00)
CIE-LCH	lch(35.19, 41.54, 122.59°)
OKLab	oklab(43.37% -0.0637 0.0786)
OKLCH	oklch(43.37% 0.101 129)
XYZ	xyz(5.9263, 8.5929, 2.0557)
Luminance	0.0859 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5B15 #31155B

analogous

#5B5415 #3F5B15 #1C5B15

triadic

#3F5B15 #153F5B #5B153F

tetradic

#3F5B15 #155B54 #31155B #5B151C

square

#3F5B15 #155B54 #31155B #5B151C

split-complementary

#3F5B15 #151C5B #54155B

monochromatic

#111906 #1D290A #3F5B15 #618D20 #84BE2C

Accessibility & contrast

On white

7.72

#3F5B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3F5B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5B15

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5B15	#FFFFFF	#000000	##FFFFFF
##3F5B15	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605409

Deuteranopia (green-blind)

#5C521B

Tritanopia (blue-blind)

#41574D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f5b15;
/* rgb */ color: rgb(63, 91, 21);
/* oklch */ color: oklch(43.4% 0.101 129.0);

Tailwind

colors: {
  custom: {
    50: '#778958',
    500: '#3f5b15',
    950: '#000000',
  },
}

SCSS

$custom: #3f5b15;
$custom-light: #778958;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5b15",
  "rgb": {
    "r": 63,
    "g": 91,
    "b": 21
  },
  "hsl": {
    "h": 84,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.43371,
    "c": 0.10119,
    "h": 129
  },
  "luminance": 0.08593
}

Semantic roles & 50–950 ramp

primary

#3F5B15

secondary

#5D3992

accent

#42E684

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5B15

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

Preview Lab → · Contrast checker → · Palette generator →