#3F680F#3F680F

#3F680F is a mid, vivid yellow-green. Relative luminance 0.110; OKLCH L 46.9% C 0.123 H 132.2°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#3F680F
RGBrgb(63, 104, 15)
HSLhsl(88, 75%, 23%)
HSVhsv(88, 86%, 41%)
CMYKcmyk(39.4%, 0%, 85.6%, 59.2%)
CIE-LABlab(39.57, -29.07, 41.33)
CIE-LCHlch(39.57, 50.53, 125.12°)
OKLaboklab(46.93% -0.0823 0.0909)
OKLCHoklch(46.93% 0.123 132.2)
XYZxyz(7.0864, 10.9916, 2.2001)
Luminance0.1099 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F680F #380F68
analogous
#68640F #3F680F #13680F
triadic
#3F680F #0F3F68 #680F3F
tetradic
#3F680F #0F6864 #380F68 #680F13
square
#3F680F #0F6864 #380F68 #680F13
split-complementary
#3F680F #0F1368 #640F68
monochromatic
#101B04 #1F3307 #3F680F #5F9D17 #80D31E

Accessibility & contrast

On white

6.57
#3F680F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#3F680F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F680F
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F680F#FFFFFF#000000##FFFFFF
##3F680F1.006.573.206.57
#FFFFFF6.571.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6D5F00
Deuteranopia (green-blind)
#675C19
Tritanopia (blue-blind)
#406358
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #3f680f;
/* rgb */ color: rgb(63, 104, 15);
/* oklch */ color: oklch(46.9% 0.123 132.2);
Tailwind
colors: {
  custom: {
    50: '#789357',
    500: '#3f680f',
    950: '#000000',
  },
}
SCSS
$custom: #3f680f;
$custom-light: #789357;
$custom-dark: #000000;
JSON
{
  "hex": "#3f680f",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 15
  },
  "hsl": {
    "h": 87.64,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.46929,
    "c": 0.12261,
    "h": 132.2
  },
  "luminance": 0.10992
}

Semantic roles & 50–950 ramp

primary
#3F680F
secondary
#6532A1
accent
#36F18D
background
#F7F9F5
surface
#EEF1E9
border
#C9CBC5
text
#090D03
muted
#7B7E78

Preview Lab

Preview with #3F680F

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

Preview Lab → · Contrast checker → · Palette generator →

#3F680F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva