#646A15#646A15

#646A15 is a mid, moderate yellow. Relative luminance 0.131; OKLCH L 50.3% C 0.104 H 113.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#646A15
RGB	rgb(100, 106, 21)
HSL	hsl(64, 67%, 25%)
HSV	hsv(64, 80%, 42%)
CMYK	cmyk(5.7%, 0%, 80.2%, 58.4%)
CIE-LAB	lab(42.87, -13.50, 43.35)
CIE-LCH	lch(42.87, 45.40, 107.30°)
OKLab	oklab(50.29% -0.0417 0.095)
OKLCH	oklch(50.29% 0.104 113.7)
XYZ	xyz(10.5452, 13.0718, 2.6769)
Luminance	0.1307 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A15 #1B156A

analogous

#6A4515 #646A15 #3A6A15

triadic

#646A15 #15646A #6A1564

tetradic

#646A15 #156A45 #1B156A #6A153A

square

#646A15 #156A45 #1B156A #6A153A

split-complementary

#646A15 #153A6A #45156A

monochromatic

#181A05 #34370B #646A15 #949D1F #C4D029

Accessibility & contrast

On white

5.81

#646A15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#646A15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A15

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A15	#FFFFFF	#000000	##FFFFFF
##646A15	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726402

Deuteranopia (green-blind)

#72661D

Tritanopia (blue-blind)

#6B635A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #646a15;
/* rgb */ color: rgb(100, 106, 21);
/* oklch */ color: oklch(50.3% 0.104 113.7);

Tailwind

colors: {
  custom: {
    50: '#93945a',
    500: '#646a15',
    950: '#000000',
  },
}

SCSS

$custom: #646a15;
$custom-light: #93945a;
$custom-dark: #000000;

JSON

{
  "hex": "#646a15",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 21
  },
  "hsl": {
    "h": 64.235,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.50289,
    "c": 0.10377,
    "h": 113.7
  },
  "luminance": 0.13072
}

Semantic roles & 50–950 ramp

primary

#646A15

secondary

#413AA1

accent

#3EEA4A

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646A15

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

Preview Lab → · Contrast checker → · Palette generator →