#645F15#645F15

#645F15 is a mid, moderate yellow. Relative luminance 0.109; OKLCH L 47.6% C 0.092 H 105.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#645F15
RGB	rgb(100, 95, 21)
HSL	hsl(56, 65%, 24%)
HSV	hsv(56, 79%, 39%)
CMYK	cmyk(0%, 5%, 79%, 60.8%)
CIE-LAB	lab(39.49, -7.29, 40.21)
CIE-LCH	lch(39.49, 40.86, 100.27°)
OKLab	oklab(47.59% -0.0244 0.0884)
OKLCH	oklch(47.59% 0.092 105.4)
XYZ	xyz(9.4835, 10.9482, 2.3230)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645F15 #151A64

analogous

#643715 #645F15 #416415

triadic

#645F15 #15645F #5F1564

tetradic

#645F15 #156437 #151A64 #641541

square

#645F15 #156437 #151A64 #641541

split-complementary

#645F15 #154164 #371564

monochromatic

#191805 #312F0A #645F15 #978F20 #C9BF2A

Accessibility & contrast

On white

6.58

#645F15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#645F15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645F15

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645F15	#FFFFFF	#000000	##FFFFFF
##645F15	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685B06

Deuteranopia (green-blind)

#6A5E1B

Tritanopia (blue-blind)

#6C5851

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #645f15;
/* rgb */ color: rgb(100, 95, 21);
/* oklch */ color: oklch(47.6% 0.092 105.4);

Tailwind

colors: {
  custom: {
    50: '#938c59',
    500: '#645f15',
    950: '#000000',
  },
}

SCSS

$custom: #645f15;
$custom-light: #938c59;
$custom-dark: #000000;

JSON

{
  "hex": "#645f15",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 21
  },
  "hsl": {
    "h": 56.203,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.47589,
    "c": 0.09165,
    "h": 105.4
  },
  "luminance": 0.10948
}

Semantic roles & 50–950 ramp

primary

#645F15

secondary

#3A409B

accent

#4AE840

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #645F15

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

Preview Lab → · Contrast checker → · Palette generator →