#645A14#645A14

#645A14 is a mid, moderate yellow. Relative luminance 0.101; OKLCH L 46.4% C 0.087 H 100.8°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#645A14
RGB	rgb(100, 90, 20)
HSL	hsl(53, 67%, 24%)
HSV	hsv(53, 80%, 39%)
CMYK	cmyk(0%, 10%, 80%, 60.8%)
CIE-LAB	lab(37.97, -4.42, 39.17)
CIE-LCH	lch(37.97, 39.42, 96.44°)
OKLab	oklab(46.38% -0.0164 0.0859)
OKLCH	oklch(46.38% 0.087 100.8)
XYZ	xyz(9.0384, 10.0726, 2.1298)
Luminance	0.1007 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645A14 #141E64

analogous

#643214 #645A14 #466414

triadic

#645A14 #14645A #5A1464

tetradic

#645A14 #146432 #141E64 #641446

square

#645A14 #146432 #141E64 #641446

split-complementary

#645A14 #144664 #321464

monochromatic

#1A1705 #312C0A #645A14 #97881E #CAB628

Accessibility & contrast

On white

6.97

#645A14 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#645A14 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A14

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645A14	#FFFFFF	#000000	##FFFFFF
##645A14	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635706

Deuteranopia (green-blind)

#665B19

Tritanopia (blue-blind)

#6C534D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #645a14;
/* rgb */ color: rgb(100, 90, 20);
/* oklch */ color: oklch(46.4% 0.087 100.8);

Tailwind

colors: {
  custom: {
    50: '#938858',
    500: '#645a14',
    950: '#000000',
  },
}

SCSS

$custom: #645a14;
$custom-light: #938858;
$custom-dark: #000000;

JSON

{
  "hex": "#645a14",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 20
  },
  "hsl": {
    "h": 52.5,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.46378,
    "c": 0.08748,
    "h": 100.8
  },
  "luminance": 0.10072
}

Semantic roles & 50–950 ramp

primary

#645A14

secondary

#38459B

accent

#54EA3E

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645A14

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

Preview Lab → · Contrast checker → · Palette generator →