#F3FD52#F3FD52

#F3FD52 is a very light, vivid yellow. Relative luminance 0.899; OKLCH L 95.7% C 0.186 H 112.7°. Best body text is #000000 at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#F3FD52
RGB	rgb(243, 253, 82)
HSL	hsl(64, 98%, 66%)
HSV	hsv(64, 68%, 99%)
CMYK	cmyk(4%, 0%, 67.6%, 0.8%)
CIE-LAB	lab(95.96, -23.42, 76.65)
CIE-LCH	lch(95.96, 80.15, 106.99°)
OKLab	oklab(95.71% -0.0716 0.1713)
OKLCH	oklch(95.71% 0.186 112.7)
XYZ	xyz(73.6126, 89.9161, 21.4588)
Luminance	0.8991 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FD52 #5C52FD

analogous

#FDB252 #F3FD52 #9DFD52

triadic

#F3FD52 #52F3FD #FD52F3

tetradic

#F3FD52 #52FDB2 #5C52FD #FD529D

square

#F3FD52 #52FDB2 #5C52FD #FD529D

split-complementary

#F3FD52 #529DFD #B252FD

monochromatic

#C6D202 #EFFC15 #F3FD52 #F7FE8E #FBFECB

Accessibility & contrast

On white

1.11

#F3FD52 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.98

#F3FD52 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FD52

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FD52	#FFFFFF	#000000	##000000
##F3FD52	1.00	1.11	18.98	18.98
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.98	21.00	1.00	1.00
##000000	18.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF137

Deuteranopia (green-blind)

#FFF55F

Tritanopia (blue-blind)

#FFEEDB

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #f3fd52;
/* rgb */ color: rgb(243, 253, 82);
/* oklch */ color: oklch(95.7% 0.186 112.7);

Tailwind

colors: {
  custom: {
    50: '#fbfd8c',
    500: '#f3fd52',
    950: '#000000',
  },
}

SCSS

$custom: #f3fd52;
$custom-light: #fbfd8c;
$custom-dark: #000000;

JSON

{
  "hex": "#f3fd52",
  "rgb": {
    "r": 243,
    "g": 253,
    "b": 82
  },
  "hsl": {
    "h": 63.509,
    "s": 97.714,
    "l": 65.686
  },
  "oklch": {
    "l": 0.95714,
    "c": 0.18569,
    "h": 112.7
  },
  "luminance": 0.89914
}

Semantic roles & 50–950 ramp

primary

#F3FD52

secondary

#3026CD

accent

#00E60D

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3FD52

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

Preview Lab → · Contrast checker → · Palette generator →