#F5FC63#F5FC63

#F5FC63 is a very light, vivid yellow. Relative luminance 0.899; OKLCH L 95.8% C 0.172 H 111.7°. Best body text is #000000 at 18.99:1 contrast (WCAG AA passes).

Color values

HEX	#F5FC63
RGB	rgb(245, 252, 99)
HSL	hsl(63, 96%, 69%)
HSV	hsv(63, 61%, 99%)
CMYK	cmyk(2.8%, 0%, 60.7%, 1.2%)
CIE-LAB	lab(95.97, -21.17, 70.22)
CIE-LCH	lch(95.97, 73.34, 106.77°)
OKLab	oklab(95.8% -0.0638 0.1602)
OKLCH	oklch(95.8% 0.172 111.7)
XYZ	xyz(74.7208, 89.9358, 25.2252)
Luminance	0.8993 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5FC63 #6A63FC

analogous

#FCB763 #F5FC63 #A9FC63

triadic

#F5FC63 #63F5FC #FC63F5

tetradic

#F5FC63 #63FCB7 #6A63FC #FC63A9

square

#F5FC63 #63FCB7 #6A63FC #FC63A9

split-complementary

#F5FC63 #63A9FC #B763FC

monochromatic

#D6E004 #F1FB27 #F5FC63 #F9FD9F #FDFEDB

Accessibility & contrast

On white

1.11

#F5FC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.99

#F5FC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5FC63

18.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5FC63	#FFFFFF	#000000	##000000
##F5FC63	1.00	1.11	18.99	18.99
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.99	21.00	1.00	1.00
##000000	18.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF150

Deuteranopia (green-blind)

#FFF56D

Tritanopia (blue-blind)

#FFEEDC

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #f5fc63;
/* rgb */ color: rgb(245, 252, 99);
/* oklch */ color: oklch(95.8% 0.172 111.7);

Tailwind

colors: {
  custom: {
    50: '#fcfd96',
    500: '#f5fc63',
    950: '#000000',
  },
}

SCSS

$custom: #f5fc63;
$custom-light: #fcfd96;
$custom-dark: #000000;

JSON

{
  "hex": "#f5fc63",
  "rgb": {
    "r": 245,
    "g": 252,
    "b": 99
  },
  "hsl": {
    "h": 62.745,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.95796,
    "c": 0.1724,
    "h": 111.7
  },
  "luminance": 0.89934
}

Semantic roles & 50–950 ramp

primary

#F5FC63

secondary

#352DD6

accent

#00E60A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F5FC63

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

Preview Lab → · Contrast checker → · Palette generator →