#3F5C11#3F5C11

#3F5C11 is a dark, moderate yellow-green. Relative luminance 0.088; OKLCH L 43.6% C 0.105 H 129.0°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F5C11
RGB	rgb(63, 92, 17)
HSL	hsl(83, 69%, 21%)
HSV	hsv(83, 82%, 36%)
CMYK	cmyk(31.5%, 0%, 81.5%, 63.9%)
CIE-LAB	lab(35.50, -23.14, 36.88)
CIE-LCH	lch(35.50, 43.54, 122.11°)
OKLab	oklab(43.62% -0.0662 0.0818)
OKLCH	oklch(43.62% 0.105 129)
XYZ	xyz(5.9782, 8.7514, 1.9044)
Luminance	0.0875 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5C11 #2E115C

analogous

#5C5411 #3F5C11 #1A5C11

triadic

#3F5C11 #113F5C #5C113F

tetradic

#3F5C11 #115C54 #2E115C #5C111A

square

#3F5C11 #115C54 #2E115C #5C111A

split-complementary

#3F5C11 #111A5C #54115C

monochromatic

#121A05 #1C2807 #3F5C11 #62901B #86C324

Accessibility & contrast

On white

7.64

#3F5C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3F5C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5C11

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5C11	#FFFFFF	#000000	##FFFFFF
##3F5C11	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615502

Deuteranopia (green-blind)

#5D5319

Tritanopia (blue-blind)

#41584E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f5c11;
/* rgb */ color: rgb(63, 92, 17);
/* oklch */ color: oklch(43.6% 0.105 129.0);

Tailwind

colors: {
  custom: {
    50: '#778a56',
    500: '#3f5c11',
    950: '#000000',
  },
}

SCSS

$custom: #3f5c11;
$custom-light: #778a56;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5c11",
  "rgb": {
    "r": 63,
    "g": 92,
    "b": 17
  },
  "hsl": {
    "h": 83.2,
    "s": 68.807,
    "l": 21.373
  },
  "oklch": {
    "l": 0.43617,
    "c": 0.10525,
    "h": 129
  },
  "luminance": 0.08752
}

Semantic roles & 50–950 ramp

primary

#3F5C11

secondary

#593495

accent

#3CEC80

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5C11

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

Preview Lab → · Contrast checker → · Palette generator →