#3F5A11#3F5A11

#3F5A11 is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.102 H 128.2°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F5A11
RGB	rgb(63, 90, 17)
HSL	hsl(82, 68%, 21%)
HSV	hsv(82, 81%, 35%)
CMYK	cmyk(30%, 0%, 81.1%, 64.7%)
CIE-LAB	lab(34.82, -22.13, 36.23)
CIE-LCH	lch(34.82, 42.45, 121.41°)
OKLab	oklab(43.06% -0.0634 0.0805)
OKLCH	oklch(43.06% 0.102 128.2)
XYZ	xyz(5.8072, 8.4094, 1.8474)
Luminance	0.0841 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5A11 #2C115A

analogous

#5A5011 #3F5A11 #1A5A11

triadic

#3F5A11 #113F5A #5A113F

tetradic

#3F5A11 #115A50 #2C115A #5A111A

square

#3F5A11 #115A50 #2C115A #5A111A

split-complementary

#3F5A11 #111A5A #50115A

monochromatic

#121A05 #1B2707 #3F5A11 #638D1B #87C124

Accessibility & contrast

On white

7.83

#3F5A11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F5A11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5A11

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5A11	#FFFFFF	#000000	##FFFFFF
##3F5A11	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)

#5F5303

Deuteranopia (green-blind)

#5B5118

Tritanopia (blue-blind)

#41564C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f5a11;
/* rgb */ color: rgb(63, 90, 17);
/* oklch */ color: oklch(43.1% 0.102 128.2);

Tailwind

colors: {
  custom: {
    50: '#778855',
    500: '#3f5a11',
    950: '#000000',
  },
}

SCSS

$custom: #3f5a11;
$custom-light: #778855;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5a11",
  "rgb": {
    "r": 63,
    "g": 90,
    "b": 17
  },
  "hsl": {
    "h": 82.192,
    "s": 68.224,
    "l": 20.98
  },
  "oklch": {
    "l": 0.43064,
    "c": 0.10246,
    "h": 128.2
  },
  "luminance": 0.0841
}

Semantic roles & 50–950 ramp

primary

#3F5A11

secondary

#573493

accent

#3DEB7D

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5A11

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

Preview Lab → · Contrast checker → · Palette generator →