#646E2D#646E2D

#646E2D is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.5% C 0.090 H 117.0°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#646E2D
RGB	rgb(100, 110, 45)
HSL	hsl(69, 42%, 30%)
HSV	hsv(69, 59%, 43%)
CMYK	cmyk(9.1%, 0%, 59.1%, 56.9%)
CIE-LAB	lab(44.31, -14.04, 34.33)
CIE-LCH	lch(44.31, 37.09, 112.25°)
OKLab	oklab(51.5% -0.0406 0.0799)
OKLCH	oklch(51.5% 0.09 117)
XYZ	xyz(11.3053, 14.0508, 4.5986)
Luminance	0.1405 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E2D #372D6E

analogous

#6E572D #646E2D #436E2D

triadic

#646E2D #2D646E #6E2D64

tetradic

#646E2D #2D6E57 #372D6E #6E2D43

square

#646E2D #2D6E57 #372D6E #6E2D43

split-complementary

#646E2D #2D436E #572D6E

monochromatic

#151709 #3D431B #646E2D #8B993F #ACBB5A

Accessibility & contrast

On white

5.51

#646E2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#646E2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E2D

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E2D	#FFFFFF	#000000	##FFFFFF
##646E2D	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756826

Deuteranopia (green-blind)

#746931

Tritanopia (blue-blind)

#6A6860

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646e2d;
/* rgb */ color: rgb(100, 110, 45);
/* oklch */ color: oklch(51.5% 0.090 117.0);

Tailwind

colors: {
  custom: {
    50: '#929768',
    500: '#646e2d',
    950: '#000000',
  },
}

SCSS

$custom: #646e2d;
$custom-light: #929768;
$custom-dark: #000000;

JSON

{
  "hex": "#646e2d",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 45
  },
  "hsl": {
    "h": 69.231,
    "s": 41.935,
    "l": 30.392
  },
  "oklch": {
    "l": 0.51502,
    "c": 0.08965,
    "h": 117
  },
  "luminance": 0.14051
}

Semantic roles & 50–950 ramp

primary

#646E2D

secondary

#6257A0

accent

#56D269

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646E2D

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

Preview Lab → · Contrast checker → · Palette generator →