#646151#646151

#646151 is a mid, muted yellow. Relative luminance 0.119; OKLCH L 49.1% C 0.025 H 98.5°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#646151
RGB	rgb(100, 97, 81)
HSL	hsl(51, 10%, 35%)
HSV	hsv(51, 19%, 39%)
CMYK	cmyk(0%, 3%, 19%, 60.8%)
CIE-LAB	lab(40.98, -1.83, 9.57)
CIE-LCH	lch(40.98, 9.74, 100.85°)
OKLab	oklab(49.06% -0.0037 0.0246)
OKLCH	oklch(49.06% 0.025 98.5)
XYZ	xyz(11.0153, 11.8529, 9.4905)
Luminance	0.1185 (WCAG relative)
Temperature	neutral
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646151 #515464

analogous

#645751 #646151 #5D6451

triadic

#646151 #516461 #615164

tetradic

#646151 #516457 #515464 #64515D

square

#646151 #516457 #515464 #64515D

split-complementary

#646151 #515D64 #575164

monochromatic

#201F1A #424036 #646151 #86826C #A39F8D

Accessibility & contrast

On white

6.23

#646151 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#646151 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646151

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646151	#FFFFFF	#000000	##FFFFFF
##646151	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646050

Deuteranopia (green-blind)

#656152

Tritanopia (blue-blind)

#675F5D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #646151;
/* rgb */ color: rgb(100, 97, 81);
/* oklch */ color: oklch(49.1% 0.025 98.5);

Tailwind

colors: {
  custom: {
    50: '#908d81',
    500: '#646151',
    950: '#000000',
  },
}

SCSS

$custom: #646151;
$custom-light: #908d81;
$custom-dark: #000000;

JSON

{
  "hex": "#646151",
  "rgb": {
    "r": 100,
    "g": 97,
    "b": 81
  },
  "hsl": {
    "h": 50.526,
    "s": 10.497,
    "l": 35.49
  },
  "oklch": {
    "l": 0.49058,
    "c": 0.0249,
    "h": 98.5
  },
  "luminance": 0.11853
}

Semantic roles & 50–950 ramp

primary

#646151

secondary

#808291

accent

#7EB374

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0C0C0A

muted

#7D7D7C

Preview Lab

Preview with #646151

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

Preview Lab → · Contrast checker → · Palette generator →