#F3FF56#F3FF56

#F3FF56 is a very light, vivid yellow. Relative luminance 0.912; OKLCH L 96.2% C 0.185 H 113.3°. Best body text is #000000 at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#F3FF56
RGB	rgb(243, 255, 86)
HSL	hsl(64, 100%, 67%)
HSV	hsv(64, 66%, 100%)
CMYK	cmyk(4.7%, 0%, 66.3%, 0%)
CIE-LAB	lab(96.51, -24.16, 75.75)
CIE-LCH	lch(96.51, 79.51, 107.69°)
OKLab	oklab(96.16% -0.0733 0.17)
OKLCH	oklch(96.16% 0.185 113.3)
XYZ	xyz(74.4039, 91.2481, 22.4955)
Luminance	0.9125 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FF56 #6256FF

analogous

#FFB656 #F3FF56 #9FFF56

triadic

#F3FF56 #56F3FF #FF56F3

tetradic

#F3FF56 #56FFB6 #6256FF #FF569F

square

#F3FF56 #56FFB6 #6256FF #FF569F

split-complementary

#F3FF56 #569FFF #B656FF

monochromatic

#CBDB00 #EFFF19 #F3FF56 #F7FF93 #FCFFD0

Accessibility & contrast

On white

1.09

#F3FF56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.25

#F3FF56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FF56

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FF56	#FFFFFF	#000000	##000000
##F3FF56	1.00	1.09	19.25	19.25
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.25	21.00	1.00	1.00
##000000	19.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF33D

Deuteranopia (green-blind)

#FFF762

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f3ff56;
/* rgb */ color: rgb(243, 255, 86);
/* oklch */ color: oklch(96.2% 0.185 113.3);

Tailwind

colors: {
  custom: {
    50: '#fbff8e',
    500: '#f3ff56',
    950: '#000000',
  },
}

SCSS

$custom: #f3ff56;
$custom-light: #fbff8e;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ff56",
  "rgb": {
    "r": 243,
    "g": 255,
    "b": 86
  },
  "hsl": {
    "h": 64.26,
    "s": 100,
    "l": 66.863
  },
  "oklch": {
    "l": 0.96163,
    "c": 0.18518,
    "h": 113.3
  },
  "luminance": 0.91247
}

Semantic roles & 50–950 ramp

primary

#F3FF56

secondary

#3225D4

accent

#00E610

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3FF56

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

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