#646E2A#646E2A

#646E2A is a mid, moderate yellow. Relative luminance 0.140; OKLCH L 51.5% C 0.093 H 116.8°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#646E2A
RGB	rgb(100, 110, 42)
HSL	hsl(69, 45%, 30%)
HSV	hsv(69, 62%, 43%)
CMYK	cmyk(9.1%, 0%, 61.8%, 56.9%)
CIE-LAB	lab(44.27, -14.31, 35.78)
CIE-LCH	lch(44.27, 38.54, 111.80°)
OKLab	oklab(51.47% -0.0417 0.0826)
OKLCH	oklch(51.47% 0.093 116.8)
XYZ	xyz(11.2496, 14.0285, 4.3052)
Luminance	0.1403 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E2A #342A6E

analogous

#6E562A #646E2A #426E2A

triadic

#646E2A #2A646E #6E2A64

tetradic

#646E2A #2A6E56 #342A6E #6E2A42

square

#646E2A #2A6E56 #342A6E #6E2A42

split-complementary

#646E2A #2A426E #562A6E

monochromatic

#141608 #3C4219 #646E2A #8C9A3B #AEBE55

Accessibility & contrast

On white

5.52

#646E2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#646E2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E2A

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E2A	#FFFFFF	#000000	##FFFFFF
##646E2A	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756822

Deuteranopia (green-blind)

#74692E

Tritanopia (blue-blind)

#6A685F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646e2a;
/* rgb */ color: rgb(100, 110, 42);
/* oklch */ color: oklch(51.5% 0.093 116.8);

Tailwind

colors: {
  custom: {
    50: '#929766',
    500: '#646e2a',
    950: '#000000',
  },
}

SCSS

$custom: #646e2a;
$custom-light: #929766;
$custom-dark: #000000;

JSON

{
  "hex": "#646e2a",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 42
  },
  "hsl": {
    "h": 68.824,
    "s": 44.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.51466,
    "c": 0.09258,
    "h": 116.8
  },
  "luminance": 0.14028
}

Semantic roles & 50–950 ramp

primary

#646E2A

secondary

#5F54A0

accent

#53D466

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646E2A

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

Preview Lab → · Contrast checker → · Palette generator →