#646355#646355

#646355 is a mid, muted yellow. Relative luminance 0.123; OKLCH L 49.6% C 0.022 H 103.8°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#646355
RGB	rgb(100, 99, 85)
HSL	hsl(56, 8%, 36%)
HSV	hsv(56, 15%, 39%)
CMYK	cmyk(0%, 1%, 15%, 60.8%)
CIE-LAB	lab(41.67, -2.32, 8.11)
CIE-LCH	lch(41.67, 8.43, 105.94°)
OKLab	oklab(49.64% -0.0052 0.021)
OKLCH	oklch(49.64% 0.022 103.8)
XYZ	xyz(11.3569, 12.2890, 10.3663)
Luminance	0.1229 (WCAG relative)
Temperature	neutral
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646355 #555664

analogous

#645C55 #646355 #5E6455

triadic

#646355 #556463 #635564

tetradic

#646355 #55645C #555664 #64555E

square

#646355 #55645C #555664 #64555E

split-complementary

#646355 #555E64 #5C5564

monochromatic

#22221D #434239 #646355 #858471 #A2A191

Accessibility & contrast

On white

6.07

#646355 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#646355 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646355

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646355	#FFFFFF	#000000	##FFFFFF
##646355	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666254

Deuteranopia (green-blind)

#666355

Tritanopia (blue-blind)

#66615F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #646355;
/* rgb */ color: rgb(100, 99, 85);
/* oklch */ color: oklch(49.6% 0.022 103.8);

Tailwind

colors: {
  custom: {
    50: '#908f84',
    500: '#646355',
    950: '#000000',
  },
}

SCSS

$custom: #646355;
$custom-light: #908f84;
$custom-dark: #000000;

JSON

{
  "hex": "#646355",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 85
  },
  "hsl": {
    "h": 56,
    "s": 8.108,
    "l": 36.275
  },
  "oklch": {
    "l": 0.49635,
    "c": 0.02161,
    "h": 103.8
  },
  "luminance": 0.12289
}

Semantic roles & 50–950 ramp

primary

#646355

secondary

#848591

accent

#7BB177

background

#F8F8F8

surface

#F0F0EF

border

#CBCBCA

text

#0C0C0B

muted

#7D7D7C

Preview Lab

Preview with #646355

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

Preview Lab → · Contrast checker → · Palette generator →