#646810#646810

#646810 is a mid, moderate yellow. Relative luminance 0.126; OKLCH L 49.8% C 0.104 H 112.4°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#646810
RGB	rgb(100, 104, 16)
HSL	hsl(63, 73%, 24%)
HSV	hsv(63, 85%, 41%)
CMYK	cmyk(3.8%, 0%, 84.6%, 59.2%)
CIE-LAB	lab(42.23, -12.60, 44.40)
CIE-LCH	lch(42.23, 46.16, 105.85°)
OKLab	oklab(49.77% -0.0396 0.0963)
OKLCH	oklch(49.77% 0.104 112.4)
XYZ	xyz(10.2997, 12.6476, 2.3888)
Luminance	0.1265 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646810 #141068

analogous

#684010 #646810 #386810

triadic

#646810 #106468 #681064

tetradic

#646810 #106840 #141068 #681038

square

#646810 #106840 #141068 #681038

split-complementary

#646810 #103868 #401068

monochromatic

#1A1B04 #313308 #646810 #979D18 #CAD220

Accessibility & contrast

On white

5.95

#646810 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#646810 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646810

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646810	#FFFFFF	#000000	##FFFFFF
##646810	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716300

Deuteranopia (green-blind)

#716519

Tritanopia (blue-blind)

#6B6158

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #646810;
/* rgb */ color: rgb(100, 104, 16);
/* oklch */ color: oklch(49.8% 0.104 112.4);

Tailwind

colors: {
  custom: {
    50: '#939258',
    500: '#646810',
    950: '#000000',
  },
}

SCSS

$custom: #646810;
$custom-light: #939258;
$custom-dark: #000000;

JSON

{
  "hex": "#646810",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 16
  },
  "hsl": {
    "h": 62.727,
    "s": 73.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.49765,
    "c": 0.10413,
    "h": 112.4
  },
  "luminance": 0.12647
}

Semantic roles & 50–950 ramp

primary

#646810

secondary

#3834A0

accent

#38F040

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0D04

muted

#7E7D79

Preview Lab

Preview with #646810

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

Preview Lab → · Contrast checker → · Palette generator →