#CDCD00#CDCD00

#CDCD00 is a very light, vivid yellow. Relative luminance 0.566; OKLCH L 82.1% C 0.179 H 109.8°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#CDCD00
RGB	rgb(205, 205, 0)
HSL	hsl(60, 100%, 40%)
HSV	hsv(60, 100%, 80%)
CMYK	cmyk(0%, 0%, 100%, 19.6%)
CIE-LAB	lab(79.98, -18.28, 80.15)
CIE-LCH	lch(79.98, 82.21, 102.85°)
OKLab	oklab(82.12% -0.0605 0.1685)
OKLCH	oklch(82.12% 0.179 109.8)
XYZ	xyz(47.0101, 56.6433, 8.4569)
Luminance	0.5664 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CDCD00 #0000CD

analogous

#CD6600 #CDCD00 #66CD00

triadic

#CDCD00 #00CDCD #CD00CD

tetradic

#CDCD00 #00CD66 #0000CD #CD0066

square

#CDCD00 #00CD66 #0000CD #CD0066

split-complementary

#CDCD00 #0066CD #6600CD

monochromatic

#535300 #909000 #CDCD00 #FFFF0B #FFFF48

Accessibility & contrast

On white

1.70

#CDCD00 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#CDCD00 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CDCD00

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CDCD00	#FFFFFF	#000000	##000000
##CDCD00	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC400

Deuteranopia (green-blind)

#E1C926

Tritanopia (blue-blind)

#DDBFAE

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #cdcd00;
/* rgb */ color: rgb(205, 205, 0);
/* oklch */ color: oklch(82.1% 0.179 109.8);

Tailwind

colors: {
  custom: {
    50: '#e1db69',
    500: '#cdcd00',
    950: '#000000',
  },
}

SCSS

$custom: #cdcd00;
$custom-light: #e1db69;
$custom-dark: #000000;

JSON

{
  "hex": "#cdcd00",
  "rgb": {
    "r": 205,
    "g": 205,
    "b": 0
  },
  "hsl": {
    "h": 60,
    "s": 100,
    "l": 40.196
  },
  "oklch": {
    "l": 0.82116,
    "c": 0.179,
    "h": 109.8
  },
  "luminance": 0.56642
}

Semantic roles & 50–950 ramp

primary

#CDCD00

secondary

#111160

accent

#29FF29

background

#FFFEFB

surface

#FEFBF1

border

#D6D4CB

text

#161408

muted

#85837D

Preview Lab

Preview with #CDCD00

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

Preview Lab → · Contrast checker → · Palette generator →