#3F5A12#3F5A12

#3F5A12 is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.102 H 128.3°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F5A12
RGB	rgb(63, 90, 18)
HSL	hsl(83, 67%, 21%)
HSV	hsv(83, 80%, 35%)
CMYK	cmyk(30%, 0%, 80%, 64.7%)
CIE-LAB	lab(34.83, -22.06, 35.85)
CIE-LCH	lch(34.83, 42.10, 121.61°)
OKLab	oklab(43.07% -0.0632 0.0799)
OKLCH	oklch(43.07% 0.102 128.3)
XYZ	xyz(5.8152, 8.4126, 1.8896)
Luminance	0.0841 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5A12 #2D125A

analogous

#5A5112 #3F5A12 #1B5A12

triadic

#3F5A12 #123F5A #5A123F

tetradic

#3F5A12 #125A51 #2D125A #5A121B

square

#3F5A12 #125A51 #2D125A #5A121B

split-complementary

#3F5A12 #121B5A #51125A

monochromatic

#121A05 #1B2708 #3F5A12 #638D1C #86C026

Accessibility & contrast

On white

7.83

#3F5A12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F5A12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5A12

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5A12	#FFFFFF	#000000	##FFFFFF
##3F5A12	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5304

Deuteranopia (green-blind)

#5B5119

Tritanopia (blue-blind)

#41564C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f5a12;
/* rgb */ color: rgb(63, 90, 18);
/* oklch */ color: oklch(43.1% 0.102 128.3);

Tailwind

colors: {
  custom: {
    50: '#778856',
    500: '#3f5a12',
    950: '#000000',
  },
}

SCSS

$custom: #3f5a12;
$custom-light: #778856;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5a12",
  "rgb": {
    "r": 63,
    "g": 90,
    "b": 18
  },
  "hsl": {
    "h": 82.5,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.43071,
    "c": 0.10182,
    "h": 128.3
  },
  "luminance": 0.08413
}

Semantic roles & 50–950 ramp

primary

#3F5A12

secondary

#583593

accent

#3EEA7E

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5A12

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

Preview Lab → · Contrast checker → · Palette generator →