#646B2F#646B2F

#646B2F is a mid, moderate yellow. Relative luminance 0.134; OKLCH L 50.8% C 0.083 H 114.9°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#646B2F
RGB	rgb(100, 107, 47)
HSL	hsl(67, 39%, 30%)
HSV	hsv(67, 56%, 42%)
CMYK	cmyk(6.5%, 0%, 56.1%, 58%)
CIE-LAB	lab(43.40, -12.20, 32.26)
CIE-LCH	lch(43.40, 34.49, 110.71°)
OKLab	oklab(50.79% -0.0352 0.0757)
OKLCH	oklch(50.79% 0.083 114.9)
XYZ	xyz(11.0265, 13.4301, 4.7002)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646B2F #362F6B

analogous

#6B542F #646B2F #466B2F

triadic

#646B2F #2F646B #6B2F64

tetradic

#646B2F #2F6B54 #362F6B #6B2F46

square

#646B2F #2F6B54 #362F6B #6B2F46

split-complementary

#646B2F #2F466B #542F6B

monochromatic

#15160A #3C401C #646B2F #8C9642 #ADB85D

Accessibility & contrast

On white

5.70

#646B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#646B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646B2F

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646B2F	#FFFFFF	#000000	##FFFFFF
##646B2F	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726629

Deuteranopia (green-blind)

#726732

Tritanopia (blue-blind)

#6A655E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #646b2f;
/* rgb */ color: rgb(100, 107, 47);
/* oklch */ color: oklch(50.8% 0.083 114.9);

Tailwind

colors: {
  custom: {
    50: '#929569',
    500: '#646b2f',
    950: '#000000',
  },
}

SCSS

$custom: #646b2f;
$custom-light: #929569;
$custom-dark: #000000;

JSON

{
  "hex": "#646b2f",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 47
  },
  "hsl": {
    "h": 67,
    "s": 38.961,
    "l": 30.196
  },
  "oklch": {
    "l": 0.50788,
    "c": 0.08349,
    "h": 114.9
  },
  "luminance": 0.1343
}

Semantic roles & 50–950 ramp

primary

#646B2F

secondary

#61599C

accent

#59CF67

background

#F9F9F6

surface

#F1F1EB

border

#CBCBC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646B2F

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

Preview Lab → · Contrast checker → · Palette generator →