#646F1E#646F1E

#646F1E is a mid, moderate yellow. Relative luminance 0.142; OKLCH L 51.6% C 0.104 H 116.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#646F1E
RGB	rgb(100, 111, 30)
HSL	hsl(68, 57%, 28%)
HSV	hsv(68, 73%, 44%)
CMYK	cmyk(9.9%, 0%, 73%, 56.5%)
CIE-LAB	lab(44.48, -15.74, 41.45)
CIE-LCH	lch(44.48, 44.34, 110.79°)
OKLab	oklab(51.6% -0.047 0.0927)
OKLCH	oklch(51.6% 0.104 116.9)
XYZ	xyz(11.1746, 14.1721, 3.3749)
Luminance	0.1417 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F1E #291E6F

analogous

#6F511E #646F1E #3C6F1E

triadic

#646F1E #1E646F #6F1E64

tetradic

#646F1E #1E6F51 #291E6F #6F1E3C

square

#646F1E #1E6F51 #291E6F #6F1E3C

split-complementary

#646F1E #1E3C6F #511E6F

monochromatic

#161807 #393F11 #646F1E #8F9F2B #B7CB3D

Accessibility & contrast

On white

5.48

#646F1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#646F1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F1E

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F1E	#FFFFFF	#000000	##FFFFFF
##646F1E	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776911

Deuteranopia (green-blind)

#766A24

Tritanopia (blue-blind)

#6A695F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646f1e;
/* rgb */ color: rgb(100, 111, 30);
/* oklch */ color: oklch(51.6% 0.104 116.9);

Tailwind

colors: {
  custom: {
    50: '#939860',
    500: '#646f1e',
    950: '#000000',
  },
}

SCSS

$custom: #646f1e;
$custom-light: #939860;
$custom-dark: #000000;

JSON

{
  "hex": "#646f1e",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 30
  },
  "hsl": {
    "h": 68.148,
    "s": 57.447,
    "l": 27.647
  },
  "oklch": {
    "l": 0.51597,
    "c": 0.10396,
    "h": 116.9
  },
  "luminance": 0.14172
}

Semantic roles & 50–950 ramp

primary

#646F1E

secondary

#5246A3

accent

#47E15C

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #646F1E

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

Preview Lab → · Contrast checker → · Palette generator →