#F3FB64#F3FB64

#F3FB64 is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.4% C 0.171 H 112.1°. Best body text is #000000 at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#F3FB64
RGB	rgb(243, 251, 100)
HSL	hsl(63, 95%, 69%)
HSV	hsv(63, 60%, 98%)
CMYK	cmyk(3.2%, 0%, 60.2%, 1.6%)
CIE-LAB	lab(95.57, -21.42, 69.34)
CIE-LCH	lch(95.57, 72.57, 107.17°)
OKLab	oklab(95.44% -0.0643 0.1585)
OKLCH	oklch(95.44% 0.171 112.1)
XYZ	xyz(73.7615, 88.9708, 25.3416)
Luminance	0.8897 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FB64 #6C64FB

analogous

#FBB864 #F3FB64 #A8FB64

triadic

#F3FB64 #64F3FB #FB64F3

tetradic

#F3FB64 #64FBB8 #6C64FB #FB64A8

square

#F3FB64 #64FBB8 #6C64FB #FB64A8

split-complementary

#F3FB64 #64A8FB #B864FB

monochromatic

#D3DF06 #EEF928 #F3FB64 #F8FDA0 #FCFEDB

Accessibility & contrast

On white

1.12

#F3FB64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.79

#F3FB64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FB64

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FB64	#FFFFFF	#000000	##000000
##F3FB64	1.00	1.12	18.79	18.79
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.79	21.00	1.00	1.00
##000000	18.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF052

Deuteranopia (green-blind)

#FFF46D

Tritanopia (blue-blind)

#FFEDDB

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #f3fb64;
/* rgb */ color: rgb(243, 251, 100);
/* oklch */ color: oklch(95.4% 0.171 112.1);

Tailwind

colors: {
  custom: {
    50: '#fafc96',
    500: '#f3fb64',
    950: '#000000',
  },
}

SCSS

$custom: #f3fb64;
$custom-light: #fafc96;
$custom-dark: #000000;

JSON

{
  "hex": "#f3fb64",
  "rgb": {
    "r": 243,
    "g": 251,
    "b": 100
  },
  "hsl": {
    "h": 63.179,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.9544,
    "c": 0.17102,
    "h": 112.1
  },
  "luminance": 0.88969
}

Semantic roles & 50–950 ramp

primary

#F3FB64

secondary

#372ED5

accent

#00E60C

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3FB64

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

Preview Lab → · Contrast checker → · Palette generator →