#666452#666452

#666452 is a mid, muted yellow. Relative luminance 0.125; OKLCH L 50.0% C 0.028 H 102.1°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX#666452
RGBrgb(102, 100, 82)
HSLhsl(54, 11%, 36%)
HSVhsv(54, 20%, 40%)
CMYKcmyk(0%, 2%, 19.6%, 60%)
CIE-LABlab(42.07, -2.60, 10.52)
CIE-LCHlch(42.07, 10.83, 103.87°)
OKLaboklab(49.97% -0.0058 0.027)
OKLCHoklch(49.97% 0.028 102.1)
XYZxyz(11.5596, 12.5485, 9.7941)
Luminance0.1255 (WCAG relative)
Temperatureneutral
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#666452 #525466
analogous
#665A52 #666452 #5E6652
triadic
#666452 #526664 #645266
tetradic
#666452 #52665A #525466 #66525E
square
#666452 #52665A #525466 #66525E
split-complementary
#666452 #525E66 #5A5266
monochromatic
#22211B #444337 #666452 #88856D #A4A28E

Accessibility & contrast

On white

5.98
#666452 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.51
#666452 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666452
5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##666452#FFFFFF#000000##FFFFFF
##6664521.005.983.515.98
#FFFFFF5.981.0021.001.00
#0000003.5121.001.0021.00
##FFFFFF5.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#686351
Deuteranopia (green-blind)
#686453
Tritanopia (blue-blind)
#69615F
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #666452;
/* rgb */ color: rgb(102, 100, 82);
/* oklch */ color: oklch(50.0% 0.028 102.1);
Tailwind
colors: {
  custom: {
    50: '#919082',
    500: '#666452',
    950: '#000000',
  },
}
SCSS
$custom: #666452;
$custom-light: #919082;
$custom-dark: #000000;
JSON
{
  "hex": "#666452",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 82
  },
  "hsl": {
    "h": 54,
    "s": 10.87,
    "l": 36.078
  },
  "oklch": {
    "l": 0.49973,
    "c": 0.02761,
    "h": 102.1
  },
  "luminance": 0.12548
}

Semantic roles & 50–950 ramp

primary
#666452
secondary
#818393
accent
#7AB474
background
#F8F8F7
surface
#F0F0EE
border
#CBCBC9
text
#0D0C0A
muted
#7D7D7C

Preview Lab

Preview with #666452

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

Preview Lab → · Contrast checker → · Palette generator →

#666452 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva