#64664C#64664C

#64664C is a mid, muted yellow. Relative luminance 0.127; OKLCH L 50.1% C 0.039 H 111.4°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#64664C
RGB	rgb(100, 102, 76)
HSL	hsl(65, 15%, 35%)
HSV	hsv(65, 25%, 40%)
CMYK	cmyk(2%, 0%, 25.5%, 60%)
CIE-LAB	lab(42.36, -5.61, 14.48)
CIE-LCH	lch(42.36, 15.53, 111.17°)
OKLab	oklab(50.11% -0.0144 0.0367)
OKLCH	oklch(50.11% 0.039 111.4)
XYZ	xyz(11.3114, 12.7340, 8.6981)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64664C #4E4C66

analogous

#665B4C #64664C #57664C

triadic

#64664C #4C6466 #664C64

tetradic

#64664C #4C665B #4E4C66 #664C57

square

#64664C #4C665B #4E4C66 #664C57

split-complementary

#64664C #4C5766 #5B4C66

monochromatic

#1F2018 #424332 #64664C #868966 #A3A687

Accessibility & contrast

On white

5.92

#64664C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#64664C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64664C

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64664C	#FFFFFF	#000000	##FFFFFF
##64664C	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A644A

Deuteranopia (green-blind)

#6A644D

Tritanopia (blue-blind)

#67635F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #64664c;
/* rgb */ color: rgb(100, 102, 76);
/* oklch */ color: oklch(50.1% 0.039 111.4);

Tailwind

colors: {
  custom: {
    50: '#90917e',
    500: '#64664c',
    950: '#000000',
  },
}

SCSS

$custom: #64664c;
$custom-light: #90917e;
$custom-dark: #000000;

JSON

{
  "hex": "#64664c",
  "rgb": {
    "r": 100,
    "g": 102,
    "b": 76
  },
  "hsl": {
    "h": 64.615,
    "s": 14.607,
    "l": 34.902
  },
  "oklch": {
    "l": 0.50111,
    "c": 0.03938,
    "h": 111.4
  },
  "luminance": 0.12734
}

Semantic roles & 50–950 ramp

primary

#64664C

secondary

#7D7B93

accent

#70B776

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0C0C0A

muted

#7D7D7C

Preview Lab

Preview with #64664C

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

Preview Lab → · Contrast checker → · Palette generator →