#646F2C#646F2C

#646F2C is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.7% C 0.092 H 117.5°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#646F2C
RGB	rgb(100, 111, 44)
HSL	hsl(70, 43%, 30%)
HSV	hsv(70, 60%, 44%)
CMYK	cmyk(9.9%, 0%, 60.4%, 56.5%)
CIE-LAB	lab(44.60, -14.68, 35.16)
CIE-LCH	lch(44.60, 38.11, 112.66°)
OKLab	oklab(51.74% -0.0425 0.0816)
OKLCH	oklch(51.74% 0.092 117.5)
XYZ	xyz(11.3948, 14.2602, 4.5346)
Luminance	0.1426 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F2C #372C6F

analogous

#6F582C #646F2C #426F2C

triadic

#646F2C #2C646F #6F2C64

tetradic

#646F2C #2C6F58 #372C6F #6F2C42

square

#646F2C #2C6F58 #372C6F #6F2C42

split-complementary

#646F2C #2C426F #582C6F

monochromatic

#151709 #3D431B #646F2C #8B9B3D #ACBD58

Accessibility & contrast

On white

5.45

#646F2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#646F2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F2C

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F2C	#FFFFFF	#000000	##FFFFFF
##646F2C	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766925

Deuteranopia (green-blind)

#756A30

Tritanopia (blue-blind)

#6A6960

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646f2c;
/* rgb */ color: rgb(100, 111, 44);
/* oklch */ color: oklch(51.7% 0.092 117.5);

Tailwind

colors: {
  custom: {
    50: '#929868',
    500: '#646f2c',
    950: '#000000',
  },
}

SCSS

$custom: #646f2c;
$custom-light: #929868;
$custom-dark: #000000;

JSON

{
  "hex": "#646f2c",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 44
  },
  "hsl": {
    "h": 69.851,
    "s": 43.226,
    "l": 30.392
  },
  "oklch": {
    "l": 0.51737,
    "c": 0.09201,
    "h": 117.5
  },
  "luminance": 0.1426
}

Semantic roles & 50–950 ramp

primary

#646F2C

secondary

#6256A1

accent

#55D36A

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646F2C

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

Preview Lab → · Contrast checker → · Palette generator →