#646B14#646B14

#646B14 is a mid, moderate yellow. Relative luminance 0.133; OKLCH L 50.5% C 0.105 H 114.3°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#646B14
RGB	rgb(100, 107, 20)
HSL	hsl(65, 69%, 25%)
HSV	hsv(65, 81%, 42%)
CMYK	cmyk(6.5%, 0%, 81.3%, 58%)
CIE-LAB	lab(43.18, -14.09, 43.97)
CIE-LCH	lch(43.18, 46.17, 107.77°)
OKLab	oklab(50.53% -0.0434 0.0961)
OKLCH	oklch(50.53% 0.106 114.3)
XYZ	xyz(10.6398, 13.2754, 2.6636)
Luminance	0.1328 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646B14 #1B146B

analogous

#6B4714 #646B14 #386B14

triadic

#646B14 #14646B #6B1464

tetradic

#646B14 #146B47 #1B146B #6B1438

square

#646B14 #146B47 #1B146B #6B1438

split-complementary

#646B14 #14386B #47146B

monochromatic

#181A05 #34370A #646B14 #949F1E #C4D227

Accessibility & contrast

On white

5.75

#646B14 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#646B14 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646B14

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646B14	#FFFFFF	#000000	##FFFFFF
##646B14	1.00	5.75	3.66	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736500

Deuteranopia (green-blind)

#73671C

Tritanopia (blue-blind)

#6B645B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #646b14;
/* rgb */ color: rgb(100, 107, 20);
/* oklch */ color: oklch(50.5% 0.105 114.3);

Tailwind

colors: {
  custom: {
    50: '#93955a',
    500: '#646b14',
    950: '#000000',
  },
}

SCSS

$custom: #646b14;
$custom-light: #93955a;
$custom-dark: #000000;

JSON

{
  "hex": "#646b14",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 20
  },
  "hsl": {
    "h": 64.828,
    "s": 68.504,
    "l": 24.902
  },
  "oklch": {
    "l": 0.50531,
    "c": 0.1055,
    "h": 114.3
  },
  "luminance": 0.13275
}

Semantic roles & 50–950 ramp

primary

#646B14

secondary

#4139A2

accent

#3CEB4B

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646B14

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

Preview Lab → · Contrast checker → · Palette generator →