#666A25#666A25

#666A25 is a mid, moderate yellow. Relative luminance 0.133; OKLCH L 50.6% C 0.091 H 112.4°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#666A25
RGB	rgb(102, 106, 37)
HSL	hsl(63, 48%, 28%)
HSV	hsv(63, 65%, 42%)
CMYK	cmyk(3.8%, 0%, 65.1%, 58.4%)
CIE-LAB	lab(43.16, -11.59, 37.03)
CIE-LCH	lch(43.16, 38.80, 107.37°)
OKLab	oklab(50.6% -0.0348 0.0845)
OKLCH	oklch(50.6% 0.091 112.4)
XYZ	xyz(10.9677, 13.2667, 3.7329)
Luminance	0.1327 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A25 #29256A

analogous

#6A4B25 #666A25 #436A25

triadic

#666A25 #25666A #6A2566

tetradic

#666A25 #256A4B #29256A #6A2543

square

#666A25 #256A4B #29256A #6A2543

split-complementary

#666A25 #25436A #4B256A

monochromatic

#161708 #3A3D15 #666A25 #929735 #B9C04A

Accessibility & contrast

On white

5.75

#666A25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#666A25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A25

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A25	#FFFFFF	#000000	##FFFFFF
##666A25	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72651D

Deuteranopia (green-blind)

#726729

Tritanopia (blue-blind)

#6D645C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #666a25;
/* rgb */ color: rgb(102, 106, 37);
/* oklch */ color: oklch(50.6% 0.091 112.4);

Tailwind

colors: {
  custom: {
    50: '#949463',
    500: '#666a25',
    950: '#000000',
  },
}

SCSS

$custom: #666a25;
$custom-light: #949463;
$custom-dark: #000000;

JSON

{
  "hex": "#666a25",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 37
  },
  "hsl": {
    "h": 63.478,
    "s": 48.252,
    "l": 28.039
  },
  "oklch": {
    "l": 0.50602,
    "c": 0.0914,
    "h": 112.4
  },
  "luminance": 0.13266
}

Semantic roles & 50–950 ramp

primary

#666A25

secondary

#524E9D

accent

#50D858

background

#F9F9F6

surface

#F2F1EB

border

#CCCBC6

text

#0D0D05

muted

#7E7E7A

Preview Lab

Preview with #666A25

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

Preview Lab → · Contrast checker → · Palette generator →