#FCF66B#FCF66B

#FCF66B is a very light, vivid yellow. Relative luminance 0.877; OKLCH L 95.2% C 0.159 H 106.8°. Best body text is #000000 at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#FCF66B
RGB	rgb(252, 246, 107)
HSL	hsl(58, 96%, 70%)
HSV	hsv(58, 58%, 99%)
CMYK	cmyk(0%, 2.4%, 57.5%, 1.2%)
CIE-LAB	lab(95.02, -14.96, 66.02)
CIE-LCH	lch(95.02, 67.69, 102.77°)
OKLab	oklab(95.19% -0.0458 0.1521)
OKLCH	oklch(95.19% 0.159 106.8)
XYZ	xyz(75.7569, 87.6708, 26.8386)
Luminance	0.8767 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCF66B #6B71FC

analogous

#FCAD6B #FCF66B #BAFC6B

triadic

#FCF66B #6BFCF6 #F66BFC

tetradic

#FCF66B #6BFCAD #6B71FC #FC6BBA

square

#FCF66B #6BFCAD #6B71FC #FC6BBA

split-complementary

#FCF66B #6BBAFC #AD6BFC

monochromatic

#E8DE05 #FBF22F #FCF66B #FDFAA7 #FEFDE1

Accessibility & contrast

On white

1.13

#FCF66B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.53

#FCF66B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCF66B

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCF66B	#FFFFFF	#000000	##000000
##FCF66B	1.00	1.13	18.53	18.53
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.53	21.00	1.00	1.00
##000000	18.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED5C

Deuteranopia (green-blind)

#FFF373

Tritanopia (blue-blind)

#FFE8D8

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fcf66b;
/* rgb */ color: rgb(252, 246, 107);
/* oklch */ color: oklch(95.2% 0.159 106.8);

Tailwind

colors: {
  custom: {
    50: '#fff89a',
    500: '#fcf66b',
    950: '#000000',
  },
}

SCSS

$custom: #fcf66b;
$custom-light: #fff89a;
$custom-dark: #000000;

JSON

{
  "hex": "#fcf66b",
  "rgb": {
    "r": 252,
    "g": 246,
    "b": 107
  },
  "hsl": {
    "h": 57.517,
    "s": 96.026,
    "l": 70.392
  },
  "oklch": {
    "l": 0.95192,
    "c": 0.15886,
    "h": 106.8
  },
  "luminance": 0.87669
}

Semantic roles & 50–950 ramp

primary

#FCF66B

secondary

#343BD7

accent

#09E600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #FCF66B

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

Preview Lab → · Contrast checker → · Palette generator →