#646F25#646F25

#646F25 is a mid, moderate yellow. Relative luminance 0.142; OKLCH L 51.7% C 0.098 H 117.2°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#646F25
RGB	rgb(100, 111, 37)
HSL	hsl(69, 50%, 29%)
HSV	hsv(69, 67%, 44%)
CMYK	cmyk(9.9%, 0%, 66.7%, 56.5%)
CIE-LAB	lab(44.54, -15.26, 38.45)
CIE-LCH	lch(44.54, 41.37, 111.65°)
OKLab	oklab(51.66% -0.0449 0.0876)
OKLCH	oklch(51.66% 0.098 117.2)
XYZ	xyz(11.2741, 14.2119, 3.8992)
Luminance	0.1421 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F25 #30256F

analogous

#6F5525 #646F25 #3F6F25

triadic

#646F25 #25646F #6F2564

tetradic

#646F25 #256F55 #30256F #6F253F

square

#646F25 #256F55 #30256F #6F253F

split-complementary

#646F25 #253F6F #55256F

monochromatic

#151708 #3B4116 #646F25 #8D9D34 #B1C34B

Accessibility & contrast

On white

5.47

#646F25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#646F25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F25

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F25	#FFFFFF	#000000	##FFFFFF
##646F25	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#77691C

Deuteranopia (green-blind)

#756A2A

Tritanopia (blue-blind)

#6A6960

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646f25;
/* rgb */ color: rgb(100, 111, 37);
/* oklch */ color: oklch(51.7% 0.098 117.2);

Tailwind

colors: {
  custom: {
    50: '#929864',
    500: '#646f25',
    950: '#000000',
  },
}

SCSS

$custom: #646f25;
$custom-light: #929864;
$custom-dark: #000000;

JSON

{
  "hex": "#646f25",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 37
  },
  "hsl": {
    "h": 68.919,
    "s": 50,
    "l": 29.02
  },
  "oklch": {
    "l": 0.51661,
    "c": 0.09842,
    "h": 117.2
  },
  "luminance": 0.14212
}

Semantic roles & 50–950 ramp

primary

#646F25

secondary

#5A4EA2

accent

#4EDA63

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D05

muted

#7E7E7A

Preview Lab

Preview with #646F25

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

Preview Lab → · Contrast checker → · Palette generator →