#666A15#666A15

#666A15 is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.5% C 0.103 H 112.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#666A15
RGB	rgb(102, 106, 21)
HSL	hsl(63, 67%, 25%)
HSV	hsv(63, 80%, 42%)
CMYK	cmyk(3.8%, 0%, 80.2%, 58.4%)
CIE-LAB	lab(43.04, -12.55, 43.57)
CIE-LCH	lch(43.04, 45.34, 106.07°)
OKLab	oklab(50.47% -0.0392 0.0954)
OKLCH	oklch(50.47% 0.103 112.3)
XYZ	xyz(10.7692, 13.1873, 2.6874)
Luminance	0.1319 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A15 #19156A

analogous

#6A4415 #666A15 #3B6A15

triadic

#666A15 #15666A #6A1566

tetradic

#666A15 #156A44 #19156A #6A153B

square

#666A15 #156A44 #19156A #6A153B

split-complementary

#666A15 #153B6A #44156A

monochromatic

#191A05 #35370B #666A15 #979D1F #C8D029

Accessibility & contrast

On white

5.77

#666A15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#666A15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A15

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A15	#FFFFFF	#000000	##FFFFFF
##666A15	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)

#736501

Deuteranopia (green-blind)

#73671C

Tritanopia (blue-blind)

#6D635A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #666a15;
/* rgb */ color: rgb(102, 106, 21);
/* oklch */ color: oklch(50.5% 0.103 112.3);

Tailwind

colors: {
  custom: {
    50: '#95945a',
    500: '#666a15',
    950: '#000000',
  },
}

SCSS

$custom: #666a15;
$custom-light: #95945a;
$custom-dark: #000000;

JSON

{
  "hex": "#666a15",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 21
  },
  "hsl": {
    "h": 62.824,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.5047,
    "c": 0.10315,
    "h": 112.3
  },
  "luminance": 0.13187
}

Semantic roles & 50–950 ramp

primary

#666A15

secondary

#3F3AA1

accent

#3EEA46

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666A15

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

Preview Lab → · Contrast checker → · Palette generator →