#3F8012#3F8012

#3F8012 is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.6% C 0.152 H 136.3°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F8012
RGB	rgb(63, 128, 18)
HSL	hsl(95, 75%, 29%)
HSV	hsv(95, 86%, 50%)
CMYK	cmyk(50.8%, 0%, 85.9%, 49.8%)
CIE-LAB	lab(47.67, -39.37, 47.78)
CIE-LCH	lch(47.67, 61.91, 129.49°)
OKLab	oklab(53.59% -0.1098 0.1049)
OKLCH	oklch(53.59% 0.152 136.3)
XYZ	xyz(9.8780, 16.5381, 3.2438)
Luminance	0.1654 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8012 #531280

analogous

#768012 #3F8012 #12801C

triadic

#3F8012 #123F80 #80123F

tetradic

#3F8012 #127680 #531280 #801C12

square

#3F8012 #127680 #531280 #801C12

split-complementary

#3F8012 #1C1280 #801276

monochromatic

#0D1B04 #254A0A #3F8012 #59B61A #76E12B

Accessibility & contrast

On white

4.87

#3F8012 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3F8012 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F8012

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8012	#FFFFFF	#000000	##FFFFFF
##3F8012	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857400

Deuteranopia (green-blind)

#7C6F20

Tritanopia (blue-blind)

#3C7B6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3f8012;
/* rgb */ color: rgb(63, 128, 18);
/* oklch */ color: oklch(53.6% 0.152 136.3);

Tailwind

colors: {
  custom: {
    50: '#7ba55c',
    500: '#3f8012',
    950: '#000000',
  },
}

SCSS

$custom: #3f8012;
$custom-light: #7ba55c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8012",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 18
  },
  "hsl": {
    "h": 95.455,
    "s": 75.342,
    "l": 28.627
  },
  "oklch": {
    "l": 0.53586,
    "c": 0.15187,
    "h": 136.3
  },
  "luminance": 0.16539
}

Semantic roles & 50–950 ramp

primary

#3F8012

secondary

#8238B6

accent

#36F2A5

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #3F8012

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

Preview Lab → · Contrast checker → · Palette generator →