#666411#666411

#666411 is a mid, moderate yellow. Relative luminance 0.120; OKLCH L 49.0% C 0.099 H 108.1°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#666411
RGBrgb(102, 100, 17)
HSLhsl(59, 71%, 23%)
HSVhsv(59, 83%, 40%)
CMYKcmyk(0%, 2%, 83.3%, 60%)
CIE-LABlab(41.18, -9.36, 43.24)
CIE-LCHlch(41.18, 44.24, 102.21°)
OKLaboklab(48.98% -0.0307 0.0939)
OKLCHoklch(48.98% 0.099 108.1)
XYZxyz(10.1382, 11.9799, 2.3085)
Luminance0.1198 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666411 #111366
analogous
#663911 #666411 #3D6611
triadic
#666411 #116664 #641166
tetradic
#666411 #116639 #111366 #66113D
square
#666411 #116639 #111366 #66113D
split-complementary
#666411 #113D66 #391166
monochromatic
#1A1A04 #323108 #666411 #9A971A #CFCB22

Accessibility & contrast

On white

6.18
#666411 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.40
#666411 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666411
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666411#FFFFFF#000000##FFFFFF
##6664111.006.183.406.18
#FFFFFF6.181.0021.001.00
#0000003.4021.001.0021.00
##FFFFFF6.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6D6000
Deuteranopia (green-blind)
#6E6218
Tritanopia (blue-blind)
#6E5D55
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #666411;
/* rgb */ color: rgb(102, 100, 17);
/* oklch */ color: oklch(49.0% 0.099 108.1);
Tailwind
colors: {
  custom: {
    50: '#958f58',
    500: '#666411',
    950: '#000000',
  },
}
SCSS
$custom: #666411;
$custom-light: #958f58;
$custom-dark: #000000;
JSON
{
  "hex": "#666411",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 17
  },
  "hsl": {
    "h": 58.588,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.48976,
    "c": 0.09877,
    "h": 108.1
  },
  "luminance": 0.1198
}

Semantic roles & 50–950 ramp

primary
#666411
secondary
#35379E
accent
#3EEE3A
background
#F9F8F5
surface
#F2F0E9
border
#CCCBC5
text
#0E0C04
muted
#7E7D79

Preview Lab

Preview with #666411

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

Preview Lab → · Contrast checker → · Palette generator →

#666411 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva