#645A12#645A12

#645A12 is a mid, moderate yellow. Relative luminance 0.101; OKLCH L 46.4% C 0.089 H 101.0°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#645A12
RGB	rgb(100, 90, 18)
HSL	hsl(53, 69%, 23%)
HSV	hsv(53, 82%, 39%)
CMYK	cmyk(0%, 10%, 82%, 60.8%)
CIE-LAB	lab(37.96, -4.51, 39.92)
CIE-LCH	lch(37.96, 40.17, 96.45°)
OKLab	oklab(46.36% -0.0169 0.0871)
OKLCH	oklch(46.36% 0.089 101)
XYZ	xyz(9.0213, 10.0658, 2.0398)
Luminance	0.1007 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645A12 #121C64

analogous

#643112 #645A12 #456412

triadic

#645A12 #12645A #5A1264

tetradic

#645A12 #126431 #121C64 #641245

square

#645A12 #126431 #121C64 #641245

split-complementary

#645A12 #124564 #311264

monochromatic

#1A1705 #302B09 #645A12 #98891B #CCB725

Accessibility & contrast

On white

6.97

#645A12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#645A12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A12

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645A12	#FFFFFF	#000000	##FFFFFF
##645A12	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)

#635703

Deuteranopia (green-blind)

#665B17

Tritanopia (blue-blind)

#6C534C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #645a12;
/* rgb */ color: rgb(100, 90, 18);
/* oklch */ color: oklch(46.4% 0.089 101.0);

Tailwind

colors: {
  custom: {
    50: '#938857',
    500: '#645a12',
    950: '#000000',
  },
}

SCSS

$custom: #645a12;
$custom-light: #938857;
$custom-dark: #000000;

JSON

{
  "hex": "#645a12",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 18
  },
  "hsl": {
    "h": 52.683,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.46364,
    "c": 0.08871,
    "h": 101
  },
  "luminance": 0.10065
}

Semantic roles & 50–950 ramp

primary

#645A12

secondary

#36429C

accent

#51EC3B

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645A12

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

Preview Lab → · Contrast checker → · Palette generator →