#646E22#646E22

#646E22 is a mid, moderate yellow. Relative luminance 0.140; OKLCH L 51.4% C 0.100 H 116.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#646E22
RGB	rgb(100, 110, 34)
HSL	hsl(68, 53%, 28%)
HSV	hsv(68, 69%, 43%)
CMYK	cmyk(9.1%, 0%, 69.1%, 56.9%)
CIE-LAB	lab(44.20, -14.93, 39.45)
CIE-LCH	lch(44.20, 42.18, 110.73°)
OKLab	oklab(51.38% -0.0444 0.0892)
OKLCH	oklch(51.38% 0.1 116.4)
XYZ	xyz(11.1204, 13.9768, 3.6250)
Luminance	0.1398 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E22 #2C226E

analogous

#6E5222 #646E22 #3E6E22

triadic

#646E22 #22646E #6E2264

tetradic

#646E22 #226E52 #2C226E #6E223E

square

#646E22 #226E52 #2C226E #6E223E

split-complementary

#646E22 #223E6E #52226E

monochromatic

#151707 #393F14 #646E22 #8E9D30 #B5C545

Accessibility & contrast

On white

5.53

#646E22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#646E22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E22

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E22	#FFFFFF	#000000	##FFFFFF
##646E22	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766817

Deuteranopia (green-blind)

#756927

Tritanopia (blue-blind)

#6A685F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646e22;
/* rgb */ color: rgb(100, 110, 34);
/* oklch */ color: oklch(51.4% 0.100 116.4);

Tailwind

colors: {
  custom: {
    50: '#929762',
    500: '#646e22',
    950: '#000000',
  },
}

SCSS

$custom: #646e22;
$custom-light: #929762;
$custom-dark: #000000;

JSON

{
  "hex": "#646e22",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 34
  },
  "hsl": {
    "h": 67.895,
    "s": 52.778,
    "l": 28.235
  },
  "oklch": {
    "l": 0.51383,
    "c": 0.09963,
    "h": 116.4
  },
  "luminance": 0.13977
}

Semantic roles & 50–950 ramp

primary

#646E22

secondary

#564AA1

accent

#4CDC5F

background

#F9F9F5

surface

#F1F2EA

border

#CBCCC6

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #646E22

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

Preview Lab → · Contrast checker → · Palette generator →