#F3FF52#F3FF52

#F3FF52 is a very light, vivid yellow. Relative luminance 0.912; OKLCH L 96.1% C 0.188 H 113.3°. Best body text is #000000 at 19.24:1 contrast (WCAG AA passes).

Color values

HEX	#F3FF52
RGB	rgb(243, 255, 82)
HSL	hsl(64, 100%, 66%)
HSV	hsv(64, 68%, 100%)
CMYK	cmyk(4.7%, 0%, 67.8%, 0%)
CIE-LAB	lab(96.49, -24.37, 77.17)
CIE-LCH	lch(96.49, 80.93, 107.52°)
OKLab	oklab(96.13% -0.0743 0.1724)
OKLCH	oklch(96.13% 0.188 113.3)
XYZ	xyz(74.2473, 91.1854, 21.6703)
Luminance	0.9118 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FF52 #5E52FF

analogous

#FFB452 #F3FF52 #9CFF52

triadic

#F3FF52 #52F3FF #FF52F3

tetradic

#F3FF52 #52FFB4 #5E52FF #FF529C

square

#F3FF52 #52FFB4 #5E52FF #FF529C

split-complementary

#F3FF52 #529CFF #B452FF

monochromatic

#C8D700 #EFFF15 #F3FF52 #F7FF8F #FBFFCC

Accessibility & contrast

On white

1.09

#F3FF52 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.24

#F3FF52 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FF52

19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FF52	#FFFFFF	#000000	##000000
##F3FF52	1.00	1.09	19.24	19.24
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.24	21.00	1.00	1.00
##000000	19.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF336

Deuteranopia (green-blind)

#FFF75F

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f3ff52;
/* rgb */ color: rgb(243, 255, 82);
/* oklch */ color: oklch(96.1% 0.188 113.3);

Tailwind

colors: {
  custom: {
    50: '#fbff8c',
    500: '#f3ff52',
    950: '#000000',
  },
}

SCSS

$custom: #f3ff52;
$custom-light: #fbff8c;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ff52",
  "rgb": {
    "r": 243,
    "g": 255,
    "b": 82
  },
  "hsl": {
    "h": 64.162,
    "s": 100,
    "l": 66.078
  },
  "oklch": {
    "l": 0.96134,
    "c": 0.18773,
    "h": 113.3
  },
  "luminance": 0.91184
}

Semantic roles & 50–950 ramp

primary

#F3FF52

secondary

#3125D0

accent

#00E610

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3FF52

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

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