#646F15#646F15

#646F15 is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.5% C 0.110 H 116.7°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#646F15
RGB	rgb(100, 111, 21)
HSL	hsl(67, 68%, 26%)
HSV	hsv(67, 81%, 44%)
CMYK	cmyk(9.9%, 0%, 81.1%, 56.5%)
CIE-LAB	lab(44.42, -16.22, 44.77)
CIE-LCH	lch(44.42, 47.62, 109.92°)
OKLab	oklab(51.53% -0.0492 0.098)
OKLCH	oklch(51.53% 0.11 116.7)
XYZ	xyz(11.0756, 14.1325, 2.8537)
Luminance	0.1413 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F15 #20156F

analogous

#6F4D15 #646F15 #376F15

triadic

#646F15 #15646F #6F1564

tetradic

#646F15 #156F4D #20156F #6F1537

square

#646F15 #156F4D #20156F #6F1537

split-complementary

#646F15 #15376F #4D156F

monochromatic

#171A05 #363C0B #646F15 #92A21F #C1D628

Accessibility & contrast

On white

5.49

#646F15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#646F15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F15

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F15	#FFFFFF	#000000	##FFFFFF
##646F15	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776900

Deuteranopia (green-blind)

#766A1D

Tritanopia (blue-blind)

#6B685E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646f15;
/* rgb */ color: rgb(100, 111, 21);
/* oklch */ color: oklch(51.5% 0.110 116.7);

Tailwind

colors: {
  custom: {
    50: '#93985b',
    500: '#646f15',
    950: '#000000',
  },
}

SCSS

$custom: #646f15;
$custom-light: #93985b;
$custom-dark: #000000;

JSON

{
  "hex": "#646f15",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 21
  },
  "hsl": {
    "h": 67.333,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.51534,
    "c": 0.10971,
    "h": 116.7
  },
  "luminance": 0.14132
}

Semantic roles & 50–950 ramp

primary

#646F15

secondary

#483AA5

accent

#3DEB52

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646F15

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

Preview Lab → · Contrast checker → · Palette generator →