#646133#646133

#646133 is a mid, moderate yellow. Relative luminance 0.115; OKLCH L 48.4% C 0.066 H 105.3°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#646133
RGB	rgb(100, 97, 51)
HSL	hsl(56, 32%, 30%)
HSV	hsv(56, 49%, 39%)
CMYK	cmyk(0%, 3%, 49%, 60.8%)
CIE-LAB	lab(40.41, -6.09, 26.52)
CIE-LCH	lch(40.41, 27.21, 102.93°)
OKLab	oklab(48.42% -0.0174 0.0635)
OKLCH	oklch(48.42% 0.066 105.3)
XYZ	xyz(10.1280, 11.4980, 4.8171)
Luminance	0.1150 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646133 #333664

analogous

#644933 #646133 #4F6433

triadic

#646133 #336461 #613364

tetradic

#646133 #336449 #333664 #64334F

square

#646133 #336449 #333664 #64334F

split-complementary

#646133 #334F64 #493364

monochromatic

#14140A #3B3A1E #646133 #8D8848 #AFAA62

Accessibility & contrast

On white

6.36

#646133 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#646133 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646133

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646133	#FFFFFF	#000000	##FFFFFF
##646133	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E2F

Deuteranopia (green-blind)

#696035

Tritanopia (blue-blind)

#6A5C56

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #646133;
/* rgb */ color: rgb(100, 97, 51);
/* oklch */ color: oklch(48.4% 0.066 105.3);

Tailwind

colors: {
  custom: {
    50: '#918d6c',
    500: '#646133',
    950: '#000000',
  },
}

SCSS

$custom: #646133;
$custom-light: #918d6c;
$custom-dark: #000000;

JSON

{
  "hex": "#646133",
  "rgb": {
    "r": 100,
    "g": 97,
    "b": 51
  },
  "hsl": {
    "h": 56.327,
    "s": 32.45,
    "l": 29.608
  },
  "oklch": {
    "l": 0.48415,
    "c": 0.06584,
    "h": 105.3
  },
  "luminance": 0.11498
}

Semantic roles & 50–950 ramp

primary

#646133

secondary

#5E6195

accent

#66C95F

background

#F9F8F6

surface

#F1F0EB

border

#CBCBC6

text

#0D0C07

muted

#7E7D7A

Preview Lab

Preview with #646133

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

Preview Lab → · Contrast checker → · Palette generator →