#FFFC63#FFFC63

#FFFC63 is a very light, vivid yellow. Relative luminance 0.918; OKLCH L 96.6% C 0.171 H 108.1°. Best body text is #000000 at 19.36:1 contrast (WCAG AA passes).

Color values

HEX	#FFFC63
RGB	rgb(255, 252, 99)
HSL	hsl(59, 100%, 69%)
HSV	hsv(59, 61%, 100%)
CMYK	cmyk(0%, 1.2%, 61.2%, 0%)
CIE-LAB	lab(96.73, -17.19, 71.26)
CIE-LCH	lch(96.73, 73.30, 103.56°)
OKLab	oklab(96.59% -0.0531 0.1621)
OKLCH	oklch(96.59% 0.171 108.1)
XYZ	xyz(78.3051, 91.7840, 25.3932)
Luminance	0.9178 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFFC63 #6366FF

analogous

#FFAE63 #FFFC63 #B4FF63

triadic

#FFFC63 #63FFFC #FC63FF

tetradic

#FFFC63 #63FFAE #6366FF #FF63B4

square

#FFFC63 #63FFAE #6366FF #FF63B4

split-complementary

#FFFC63 #63B4FF #AE63FF

monochromatic

#E8E300 #FFFB26 #FFFC63 #FFFDA0 #FFFEDD

Accessibility & contrast

On white

1.08

#FFFC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.36

#FFFC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFFC63

19.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFFC63	#FFFFFF	#000000	##000000
##FFFC63	1.00	1.08	19.36	19.36
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.36	21.00	1.00	1.00
##000000	19.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF350

Deuteranopia (green-blind)

#FFF86C

Tritanopia (blue-blind)

#FFEDDC

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #fffc63;
/* rgb */ color: rgb(255, 252, 99);
/* oklch */ color: oklch(96.6% 0.171 108.1);

Tailwind

colors: {
  custom: {
    50: '#fffd96',
    500: '#fffc63',
    950: '#000000',
  },
}

SCSS

$custom: #fffc63;
$custom-light: #fffd96;
$custom-dark: #000000;

JSON

{
  "hex": "#fffc63",
  "rgb": {
    "r": 255,
    "g": 252,
    "b": 99
  },
  "hsl": {
    "h": 58.846,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.9659,
    "c": 0.17062,
    "h": 108.1
  },
  "luminance": 0.91782
}

Semantic roles & 50–950 ramp

primary

#FFFC63

secondary

#2C30DA

accent

#04E600

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#19170E

muted

#87857F

Preview Lab

Preview with #FFFC63

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

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