#F6FF63#F6FF63

#F6FF63 is a very light, vivid yellow. Relative luminance 0.920; OKLCH L 96.5% C 0.175 H 112.4°. Best body text is #000000 at 19.40:1 contrast (WCAG AA passes).

Color values

HEX	#F6FF63
RGB	rgb(246, 255, 99)
HSL	hsl(63, 100%, 69%)
HSV	hsv(63, 61%, 100%)
CMYK	cmyk(3.5%, 0%, 61.2%, 0%)
CIE-LAB	lab(96.83, -22.20, 71.16)
CIE-LCH	lch(96.83, 74.54, 107.33°)
OKLab	oklab(96.5% -0.0667 0.1621)
OKLCH	oklch(96.5% 0.175 112.4)
XYZ	xyz(76.0202, 92.0153, 25.5581)
Luminance	0.9201 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F6FF63 #6C63FF

analogous

#FFBA63 #F6FF63 #A8FF63

triadic

#F6FF63 #63F6FF #FF63F6

tetradic

#F6FF63 #63FFBA #6C63FF #FF63A8

square

#F6FF63 #63FFBA #6C63FF #FF63A8

split-complementary

#F6FF63 #63A8FF #BA63FF

monochromatic

#DAE800 #F2FF26 #F6FF63 #FAFFA0 #FDFFDD

Accessibility & contrast

On white

1.08

#F6FF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.40

#F6FF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F6FF63

19.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F6FF63	#FFFFFF	#000000	##000000
##F6FF63	1.00	1.08	19.40	19.40
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.40	21.00	1.00	1.00
##000000	19.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF450

Deuteranopia (green-blind)

#FFF86D

Tritanopia (blue-blind)

#FFF1DE

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #f6ff63;
/* rgb */ color: rgb(246, 255, 99);
/* oklch */ color: oklch(96.5% 0.175 112.4);

Tailwind

colors: {
  custom: {
    50: '#fcff96',
    500: '#f6ff63',
    950: '#000000',
  },
}

SCSS

$custom: #f6ff63;
$custom-light: #fcff96;
$custom-dark: #000000;

JSON

{
  "hex": "#f6ff63",
  "rgb": {
    "r": 246,
    "g": 255,
    "b": 99
  },
  "hsl": {
    "h": 63.462,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.96499,
    "c": 0.17533,
    "h": 112.4
  },
  "luminance": 0.92014
}

Semantic roles & 50–950 ramp

primary

#F6FF63

secondary

#362CDA

accent

#00E60D

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F6FF63

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

Preview Lab → · Contrast checker → · Palette generator →