#644F10#644F10

#644F10 is a dark, moderate yellow. Relative luminance 0.083; OKLCH L 43.8% C 0.082 H 89.0°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#644F10
RGB	rgb(100, 79, 16)
HSL	hsl(45, 72%, 23%)
HSV	hsv(45, 84%, 39%)
CMYK	cmyk(0%, 21%, 84%, 60.8%)
CIE-LAB	lab(34.68, 2.00, 37.68)
CIE-LCH	lch(34.68, 37.73, 86.97°)
OKLab	oklab(43.77% 0.0014 0.0818)
OKLCH	oklch(43.77% 0.082 89)
XYZ	xyz(8.1455, 8.3392, 1.6707)
Luminance	0.0834 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F10 #102564

analogous

#642510 #644F10 #4F6410

triadic

#644F10 #10644F #4F1064

tetradic

#644F10 #106425 #102564 #64104F

square

#644F10 #106425 #102564 #64104F

split-complementary

#644F10 #104F64 #251064

monochromatic

#1A1504 #2F2508 #644F10 #997918 #CEA221

Accessibility & contrast

On white

7.87

#644F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#644F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F10

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F10	#FFFFFF	#000000	##FFFFFF
##644F10	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E04

Deuteranopia (green-blind)

#5E5414

Tritanopia (blue-blind)

#6D4743

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644f10;
/* rgb */ color: rgb(100, 79, 16);
/* oklch */ color: oklch(43.8% 0.082 89.0);

Tailwind

colors: {
  custom: {
    50: '#948054',
    500: '#644f10',
    950: '#000000',
  },
}

SCSS

$custom: #644f10;
$custom-light: #948054;
$custom-dark: #000000;

JSON

{
  "hex": "#644f10",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 16
  },
  "hsl": {
    "h": 45,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43766,
    "c": 0.08184,
    "h": 89
  },
  "luminance": 0.08339
}

Semantic roles & 50–950 ramp

primary

#644F10

secondary

#334E9D

accent

#66EF39

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A03

muted

#7E7C78

Preview Lab

Preview with #644F10

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

Preview Lab → · Contrast checker → · Palette generator →