#64664E#64664E

#64664E is a mid, muted yellow. Relative luminance 0.128; OKLCH L 50.2% C 0.036 H 111.6°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#64664E
RGB	rgb(100, 102, 78)
HSL	hsl(65, 13%, 35%)
HSV	hsv(65, 24%, 40%)
CMYK	cmyk(2%, 0%, 23.5%, 60%)
CIE-LAB	lab(42.40, -5.29, 13.35)
CIE-LCH	lch(42.40, 14.36, 111.60°)
OKLab	oklab(50.16% -0.0134 0.0339)
OKLCH	oklch(50.16% 0.036 111.6)
XYZ	xyz(11.3820, 12.7622, 9.0700)
Luminance	0.1276 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64664E #504E66

analogous

#665C4E #64664E #58664E

triadic

#64664E #4E6466 #664E64

tetradic

#64664E #4E665C #504E66 #664E58

square

#64664E #4E665C #504E66 #664E58

split-complementary

#64664E #4E5866 #5C4E66

monochromatic

#202119 #424333 #64664E #868969 #A3A589

Accessibility & contrast

On white

5.91

#64664E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#64664E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64664E

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64664E	#FFFFFF	#000000	##FFFFFF
##64664E	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A644D

Deuteranopia (green-blind)

#6A644F

Tritanopia (blue-blind)

#67635F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #64664e;
/* rgb */ color: rgb(100, 102, 78);
/* oklch */ color: oklch(50.2% 0.036 111.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#64664e",
  "rgb": {
    "r": 100,
    "g": 102,
    "b": 78
  },
  "hsl": {
    "h": 65,
    "s": 13.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.50159,
    "c": 0.03649,
    "h": 111.6
  },
  "luminance": 0.12762
}

Semantic roles & 50–950 ramp

primary

#64664E

secondary

#7F7D93

accent

#72B677

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0C0C0A

muted

#7D7D7C

Preview Lab

Preview with #64664E

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

Preview Lab → · Contrast checker → · Palette generator →