#645B14#645B14

#645B14 is a mid, moderate yellow. Relative luminance 0.102; OKLCH L 46.6% C 0.088 H 101.8°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#645B14
RGB	rgb(100, 91, 20)
HSL	hsl(53, 67%, 24%)
HSV	hsv(53, 80%, 39%)
CMYK	cmyk(0%, 9%, 80%, 60.8%)
CIE-LAB	lab(38.27, -5.01, 39.45)
CIE-LCH	lch(38.27, 39.77, 97.23°)
OKLab	oklab(46.62% -0.0181 0.0865)
OKLCH	oklch(46.62% 0.088 101.8)
XYZ	xyz(9.1233, 10.2424, 2.1581)
Luminance	0.1024 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645B14 #141D64

analogous

#643314 #645B14 #456414

triadic

#645B14 #14645B #5B1464

tetradic

#645B14 #146433 #141D64 #641445

square

#645B14 #146433 #141D64 #641445

split-complementary

#645B14 #144564 #331464

monochromatic

#1A1705 #312D0A #645B14 #97891E #CAB828

Accessibility & contrast

On white

6.89

#645B14 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#645B14 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645B14

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645B14	#FFFFFF	#000000	##FFFFFF
##645B14	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645806

Deuteranopia (green-blind)

#675C19

Tritanopia (blue-blind)

#6C544D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #645b14;
/* rgb */ color: rgb(100, 91, 20);
/* oklch */ color: oklch(46.6% 0.088 101.8);

Tailwind

colors: {
  custom: {
    50: '#938958',
    500: '#645b14',
    950: '#000000',
  },
}

SCSS

$custom: #645b14;
$custom-light: #938958;
$custom-dark: #000000;

JSON

{
  "hex": "#645b14",
  "rgb": {
    "r": 100,
    "g": 91,
    "b": 20
  },
  "hsl": {
    "h": 53.25,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.46618,
    "c": 0.0884,
    "h": 101.8
  },
  "luminance": 0.10242
}

Semantic roles & 50–950 ramp

primary

#645B14

secondary

#38449B

accent

#51EA3E

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645B14

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

Preview Lab → · Contrast checker → · Palette generator →