#665B1E#665B1E

#665B1E is a mid, moderate yellow. Relative luminance 0.104; OKLCH L 46.9% C 0.081 H 99.0°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX#665B1E
RGBrgb(102, 91, 30)
HSLhsl(51, 55%, 26%)
HSVhsv(51, 71%, 40%)
CMYKcmyk(0%, 10.8%, 70.6%, 60%)
CIE-LABlab(38.55, -3.47, 35.47)
CIE-LCHlch(38.55, 35.63, 95.58°)
OKLaboklab(46.91% -0.0126 0.08)
OKLCHoklch(46.91% 0.081 99)
XYZxyz(9.4553, 10.4011, 2.7376)
Luminance0.1040 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665B1E #1E2966
analogous
#66371E #665B1E #4D661E
triadic
#665B1E #1E665B #5B1E66
tetradic
#665B1E #1E6637 #1E2966 #661E4D
square
#665B1E #1E6637 #1E2966 #661E4D
split-complementary
#665B1E #1E4D66 #371E66
monochromatic
#181507 #373110 #665B1E #95852C #C5AF3A

Accessibility & contrast

On white

6.82
#665B1E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#665B1E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665B1E
6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665B1E#FFFFFF#000000##FFFFFF
##665B1E1.006.823.086.82
#FFFFFF6.821.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#645916
Deuteranopia (green-blind)
#675C21
Tritanopia (blue-blind)
#6E544E
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #665b1e;
/* rgb */ color: rgb(102, 91, 30);
/* oklch */ color: oklch(46.9% 0.081 99.0);
Tailwind
colors: {
  custom: {
    50: '#94895d',
    500: '#665b1e',
    950: '#000000',
  },
}
SCSS
$custom: #665b1e;
$custom-light: #94895d;
$custom-dark: #000000;
JSON
{
  "hex": "#665b1e",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 30
  },
  "hsl": {
    "h": 50.833,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.46911,
    "c": 0.08102,
    "h": 99
  },
  "luminance": 0.10401
}

Semantic roles & 50–950 ramp

primary
#665B1E
secondary
#45529B
accent
#61DE4A
background
#F9F8F5
surface
#F2EFE9
border
#CCCAC5
text
#0D0B04
muted
#7E7C79

Preview Lab

Preview with #665B1E

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

Preview Lab → · Contrast checker → · Palette generator →

#665B1E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva