#646E25#646E25

#646E25 is a mid, moderate yellow. Relative luminance 0.140; OKLCH L 51.4% C 0.097 H 116.6°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#646E25
RGB	rgb(100, 110, 37)
HSL	hsl(68, 50%, 29%)
HSV	hsv(68, 66%, 43%)
CMYK	cmyk(9.1%, 0%, 66.4%, 56.9%)
CIE-LAB	lab(44.23, -14.71, 38.12)
CIE-LCH	lch(44.23, 40.86, 111.11°)
OKLab	oklab(51.41% -0.0434 0.0869)
OKLCH	oklch(51.41% 0.097 116.6)
XYZ	xyz(11.1656, 13.9949, 3.8630)
Luminance	0.1399 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E25 #2F256E

analogous

#6E5425 #646E25 #406E25

triadic

#646E25 #25646E #6E2564

tetradic

#646E25 #256E54 #2F256E #6E2540

square

#646E25 #256E54 #2F256E #6E2540

split-complementary

#646E25 #25406E #54256E

monochromatic

#151708 #3A4016 #646E25 #8E9C34 #B2C24B

Accessibility & contrast

On white

5.53

#646E25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#646E25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E25

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E25	#FFFFFF	#000000	##FFFFFF
##646E25	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)

#76681C

Deuteranopia (green-blind)

#75692A

Tritanopia (blue-blind)

#6A685F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646e25;
/* rgb */ color: rgb(100, 110, 37);
/* oklch */ color: oklch(51.4% 0.097 116.6);

Tailwind

colors: {
  custom: {
    50: '#929763',
    500: '#646e25',
    950: '#000000',
  },
}

SCSS

$custom: #646e25;
$custom-light: #929763;
$custom-dark: #000000;

JSON

{
  "hex": "#646e25",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 37
  },
  "hsl": {
    "h": 68.219,
    "s": 49.66,
    "l": 28.824
  },
  "oklch": {
    "l": 0.51412,
    "c": 0.09712,
    "h": 116.6
  },
  "luminance": 0.13995
}

Semantic roles & 50–950 ramp

primary

#646E25

secondary

#594EA1

accent

#4FD962

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D05

muted

#7E7E7A

Preview Lab

Preview with #646E25

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

Preview Lab → · Contrast checker → · Palette generator →