#665B19#665B19

#665B19 is a mid, moderate yellow. Relative luminance 0.104; OKLCH L 46.9% C 0.085 H 99.6°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX#665B19
RGBrgb(102, 91, 25)
HSLhsl(51, 61%, 25%)
HSVhsv(51, 75%, 40%)
CMYKcmyk(0%, 10.8%, 75.5%, 60%)
CIE-LABlab(38.51, -3.77, 37.70)
CIE-LCHlch(38.51, 37.88, 95.71°)
OKLaboklab(46.87% -0.0141 0.0838)
OKLCHoklch(46.87% 0.085 99.6)
XYZxyz(9.3965, 10.3776, 2.4276)
Luminance0.1038 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665B19 #192466
analogous
#663519 #665B19 #4A6619
triadic
#665B19 #19665B #5B1966
tetradic
#665B19 #196635 #192466 #66194A
square
#665B19 #196635 #192466 #66194A
split-complementary
#665B19 #194A66 #351966
monochromatic
#191606 #352F0D #665B19 #978725 #C8B331

Accessibility & contrast

On white

6.83
#665B19 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#665B19 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665B19
6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665B19#FFFFFF#000000##FFFFFF
##665B191.006.833.086.83
#FFFFFF6.831.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#64580F
Deuteranopia (green-blind)
#675C1D
Tritanopia (blue-blind)
#6E544E
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #665b19;
/* rgb */ color: rgb(102, 91, 25);
/* oklch */ color: oklch(46.9% 0.085 99.6);
Tailwind
colors: {
  custom: {
    50: '#94895a',
    500: '#665b19',
    950: '#000000',
  },
}
SCSS
$custom: #665b19;
$custom-light: #94895a;
$custom-dark: #000000;
JSON
{
  "hex": "#665b19",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 25
  },
  "hsl": {
    "h": 51.429,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.46865,
    "c": 0.08496,
    "h": 99.6
  },
  "luminance": 0.10377
}

Semantic roles & 50–950 ramp

primary
#665B19
secondary
#3F4C9C
accent
#5BE444
background
#F9F8F5
surface
#F2EFE9
border
#CCCAC5
text
#0E0B04
muted
#7E7C79

Preview Lab

Preview with #665B19

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

Preview Lab → · Contrast checker → · Palette generator →

#665B19 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva