#646754#646754

#646754 is a mid, muted yellow. Relative luminance 0.131; OKLCH L 50.5% C 0.029 H 114.8°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#646754
RGB	rgb(100, 103, 84)
HSL	hsl(69, 10%, 37%)
HSV	hsv(69, 18%, 40%)
CMYK	cmyk(2.9%, 0%, 18.4%, 59.6%)
CIE-LAB	lab(42.84, -4.85, 10.35)
CIE-LCH	lch(42.84, 11.43, 115.09°)
OKLab	oklab(50.55% -0.0123 0.0266)
OKLCH	oklch(50.55% 0.029 114.8)
XYZ	xyz(11.7059, 13.0500, 10.2880)
Luminance	0.1305 (WCAG relative)
Temperature	neutral
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646754 #575467

analogous

#676154 #646754 #5B6754

triadic

#646754 #546467 #675464

tetradic

#646754 #546761 #575467 #67545B

square

#646754 #546761 #575467 #67545B

split-complementary

#646754 #545B67 #615467

monochromatic

#23241D #434539 #646754 #85896F #A2A591

Accessibility & contrast

On white

5.82

#646754 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#646754 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646754

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646754	#FFFFFF	#000000	##FFFFFF
##646754	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6553

Deuteranopia (green-blind)

#6A6555

Tritanopia (blue-blind)

#666562

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #646754;
/* rgb */ color: rgb(100, 103, 84);
/* oklch */ color: oklch(50.5% 0.029 114.8);

Tailwind

colors: {
  custom: {
    50: '#909284',
    500: '#646754',
    950: '#000000',
  },
}

SCSS

$custom: #646754;
$custom-light: #909284;
$custom-dark: #000000;

JSON

{
  "hex": "#646754",
  "rgb": {
    "r": 100,
    "g": 103,
    "b": 84
  },
  "hsl": {
    "h": 69.474,
    "s": 10.16,
    "l": 36.667
  },
  "oklch": {
    "l": 0.50549,
    "c": 0.02928,
    "h": 114.8
  },
  "luminance": 0.1305
}

Semantic roles & 50–950 ramp

primary

#646754

secondary

#868394

accent

#75B37F

background

#F8F8F8

surface

#F0F0EF

border

#CBCBCA

text

#0C0D0A

muted

#7D7D7C

Preview Lab

Preview with #646754

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

Preview Lab → · Contrast checker → · Palette generator →