#665A1A#665A1A

#665A1A is a mid, moderate yellow. Relative luminance 0.102; OKLCH L 46.6% C 0.083 H 98.4°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#665A1A
RGBrgb(102, 90, 26)
HSLhsl(51, 59%, 25%)
HSVhsv(51, 75%, 40%)
CMYKcmyk(0%, 11.8%, 74.5%, 60%)
CIE-LABlab(38.22, -3.12, 36.97)
CIE-LCHlch(38.22, 37.10, 94.83°)
OKLaboklab(46.64% -0.0121 0.0824)
OKLCHoklch(46.64% 0.083 98.4)
XYZxyz(9.3225, 10.2121, 2.4572)
Luminance0.1021 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665A1A #1A2666
analogous
#66341A #665A1A #4C661A
triadic
#665A1A #1A665A #5A1A66
tetradic
#665A1A #1A6634 #1A2666 #661A4C
square
#665A1A #1A6634 #1A2666 #661A4C
split-complementary
#665A1A #1A4C66 #341A66
monochromatic
#181606 #352F0E #665A1A #978526 #C8B033

Accessibility & contrast

On white

6.90
#665A1A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#665A1A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665A1A
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665A1A#FFFFFF#000000##FFFFFF
##665A1A1.006.903.046.90
#FFFFFF6.901.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635811
Deuteranopia (green-blind)
#675C1E
Tritanopia (blue-blind)
#6E534D
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #665a1a;
/* rgb */ color: rgb(102, 90, 26);
/* oklch */ color: oklch(46.6% 0.083 98.4);
Tailwind
colors: {
  custom: {
    50: '#94885b',
    500: '#665a1a',
    950: '#000000',
  },
}
SCSS
$custom: #665a1a;
$custom-light: #94885b;
$custom-dark: #000000;
JSON
{
  "hex": "#665a1a",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 26
  },
  "hsl": {
    "h": 50.526,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.46637,
    "c": 0.08332,
    "h": 98.4
  },
  "luminance": 0.10212
}

Semantic roles & 50–950 ramp

primary
#665A1A
secondary
#404F9C
accent
#5EE345
background
#F9F8F5
surface
#F2EFE9
border
#CCCAC5
text
#0E0B04
muted
#7E7C79

Preview Lab

Preview with #665A1A

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

Preview Lab → · Contrast checker → · Palette generator →

#665A1A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva