#3F8618#3F8618

#3F8618 is a mid, vivid yellow-green. Relative luminance 0.182; OKLCH L 55.3% C 0.157 H 137.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F8618
RGB	rgb(63, 134, 24)
HSL	hsl(99, 70%, 31%)
HSV	hsv(99, 82%, 53%)
CMYK	cmyk(53%, 0%, 82.1%, 47.5%)
CIE-LAB	lab(49.70, -41.48, 47.89)
CIE-LCH	lch(49.70, 63.36, 130.90°)
OKLab	oklab(55.27% -0.1151 0.1061)
OKLCH	oklch(55.27% 0.157 137.3)
XYZ	xyz(10.7395, 18.1721, 3.8056)
Luminance	0.1817 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8618 #5F1886

analogous

#768618 #3F8618 #188628

triadic

#3F8618 #183F86 #86183F

tetradic

#3F8618 #187686 #5F1886 #862818

square

#3F8618 #187686 #5F1886 #862818

split-complementary

#3F8618 #281886 #861876

monochromatic

#0E1E05 #27520F #3F8618 #57BA21 #75DC3C

Accessibility & contrast

On white

4.53

#3F8618 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3F8618 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8618

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8618	#FFFFFF	#000000	##000000
##3F8618	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A00

Deuteranopia (green-blind)

#817425

Tritanopia (blue-blind)

#3A8172

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3f8618;
/* rgb */ color: rgb(63, 134, 24);
/* oklch */ color: oklch(55.3% 0.157 137.3);

Tailwind

colors: {
  custom: {
    50: '#7caa5f',
    500: '#3f8618',
    950: '#000000',
  },
}

SCSS

$custom: #3f8618;
$custom-light: #7caa5f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8618",
  "rgb": {
    "r": 63,
    "g": 134,
    "b": 24
  },
  "hsl": {
    "h": 98.727,
    "s": 69.62,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55267,
    "c": 0.15654,
    "h": 137.3
  },
  "luminance": 0.18173
}

Semantic roles & 50–950 ramp

primary

#3F8618

secondary

#8F40BA

accent

#3BECAE

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F8618

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

Preview Lab → · Contrast checker → · Palette generator →