#FBFF63#FBFF63

#FBFF63 is a very light, vivid yellow. Relative luminance 0.929; OKLCH L 96.9% C 0.174 H 110.6°. Best body text is #000000 at 19.59:1 contrast (WCAG AA passes).

Color values

HEX	#FBFF63
RGB	rgb(251, 255, 99)
HSL	hsl(62, 100%, 69%)
HSV	hsv(62, 61%, 100%)
CMYK	cmyk(1.6%, 0%, 61.2%, 0%)
CIE-LAB	lab(97.20, -20.22, 71.67)
CIE-LCH	lch(97.20, 74.46, 105.75°)
OKLab	oklab(96.89% -0.0614 0.1631)
OKLCH	oklch(96.89% 0.174 110.6)
XYZ	xyz(77.7981, 92.9320, 25.6414)
Luminance	0.9293 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBFF63 #6763FF

analogous

#FFB563 #FBFF63 #ADFF63

triadic

#FBFF63 #63FBFF #FF63FB

tetradic

#FBFF63 #63FFB5 #6763FF #FF63AD

square

#FBFF63 #63FFB5 #6763FF #FF63AD

split-complementary

#FBFF63 #63ADFF #B563FF

monochromatic

#E2E800 #F9FF26 #FBFF63 #FDFFA0 #FEFFDD

Accessibility & contrast

On white

1.07

#FBFF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.59

#FBFF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBFF63

19.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBFF63	#FFFFFF	#000000	##000000
##FBFF63	1.00	1.07	19.59	19.59
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.59	21.00	1.00	1.00
##000000	19.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF550

Deuteranopia (green-blind)

#FFF96D

Tritanopia (blue-blind)

#FFF0DE

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fbff63;
/* rgb */ color: rgb(251, 255, 99);
/* oklch */ color: oklch(96.9% 0.174 110.6);

Tailwind

colors: {
  custom: {
    50: '#ffff96',
    500: '#fbff63',
    950: '#000000',
  },
}

SCSS

$custom: #fbff63;
$custom-light: #ffff96;
$custom-dark: #000000;

JSON

{
  "hex": "#fbff63",
  "rgb": {
    "r": 251,
    "g": 255,
    "b": 99
  },
  "hsl": {
    "h": 61.538,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.96889,
    "c": 0.17429,
    "h": 110.6
  },
  "luminance": 0.9293
}

Semantic roles & 50–950 ramp

primary

#FBFF63

secondary

#312CDA

accent

#00E606

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #FBFF63

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

Preview Lab → · Contrast checker → · Palette generator →