#646813#646813

#646813 is a mid, moderate yellow. Relative luminance 0.127; OKLCH L 49.8% C 0.103 H 112.4°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#646813
RGB	rgb(100, 104, 19)
HSL	hsl(63, 69%, 24%)
HSV	hsv(63, 82%, 41%)
CMYK	cmyk(3.8%, 0%, 81.7%, 59.2%)
CIE-LAB	lab(42.24, -12.48, 43.46)
CIE-LCH	lch(42.24, 45.21, 106.02°)
OKLab	oklab(49.78% -0.0391 0.0949)
OKLCH	oklch(49.78% 0.103 112.4)
XYZ	xyz(10.3237, 12.6572, 2.5152)
Luminance	0.1266 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646813 #171368

analogous

#684213 #646813 #3A6813

triadic

#646813 #136468 #681364

tetradic

#646813 #136842 #171368 #68133A

square

#646813 #136842 #171368 #68133A

split-complementary

#646813 #133A68 #421368

monochromatic

#191A05 #32340A #646813 #969C1C #C8CF26

Accessibility & contrast

On white

5.95

#646813 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#646813 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646813

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646813	#FFFFFF	#000000	##FFFFFF
##646813	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)

#71651B

Tritanopia (blue-blind)

#6B6158

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #646813;
/* rgb */ color: rgb(100, 104, 19);
/* oklch */ color: oklch(49.8% 0.103 112.4);

Tailwind

colors: {
  custom: {
    50: '#939259',
    500: '#646813',
    950: '#000000',
  },
}

SCSS

$custom: #646813;
$custom-light: #939259;
$custom-dark: #000000;

JSON

{
  "hex": "#646813",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 19
  },
  "hsl": {
    "h": 62.824,
    "s": 69.106,
    "l": 24.118
  },
  "oklch": {
    "l": 0.49781,
    "c": 0.10259,
    "h": 112.4
  },
  "luminance": 0.12657
}

Semantic roles & 50–950 ramp

primary

#646813

secondary

#3C379F

accent

#3CEC44

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0D04

muted

#7E7D79

Preview Lab

Preview with #646813

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

Preview Lab → · Contrast checker → · Palette generator →