#666A19#666A19

#666A19 is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.5% C 0.101 H 112.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#666A19
RGB	rgb(102, 106, 25)
HSL	hsl(63, 62%, 26%)
HSV	hsv(63, 76%, 42%)
CMYK	cmyk(3.8%, 0%, 76.4%, 58.4%)
CIE-LAB	lab(43.07, -12.36, 42.12)
CIE-LCH	lch(43.07, 43.90, 106.35°)
OKLab	oklab(50.5% -0.0383 0.0931)
OKLCH	oklch(50.5% 0.101 112.3)
XYZ	xyz(10.8093, 13.2033, 2.8986)
Luminance	0.1320 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A19 #1D196A

analogous

#6A4519 #666A19 #3D6A19

triadic

#666A19 #19666A #6A1966

tetradic

#666A19 #196A45 #1D196A #6A193D

square

#666A19 #196A45 #1D196A #6A193D

split-complementary

#666A19 #193D6A #45196A

monochromatic

#181906 #36380D #666A19 #969C25 #C5CD30

Accessibility & contrast

On white

5.77

#666A19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#666A19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A19

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A19	#FFFFFF	#000000	##FFFFFF
##666A19	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736509

Deuteranopia (green-blind)

#73671F

Tritanopia (blue-blind)

#6D635A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #666a19;
/* rgb */ color: rgb(102, 106, 25);
/* oklch */ color: oklch(50.5% 0.101 112.3);

Tailwind

colors: {
  custom: {
    50: '#94945c',
    500: '#666a19',
    950: '#000000',
  },
}

SCSS

$custom: #666a19;
$custom-light: #94945c;
$custom-dark: #000000;

JSON

{
  "hex": "#666a19",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 25
  },
  "hsl": {
    "h": 62.963,
    "s": 61.832,
    "l": 25.686
  },
  "oklch": {
    "l": 0.50497,
    "c": 0.10068,
    "h": 112.3
  },
  "luminance": 0.13203
}

Semantic roles & 50–950 ramp

primary

#666A19

secondary

#443FA0

accent

#43E54B

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666A19

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

Preview Lab → · Contrast checker → · Palette generator →