#F5FB63#F5FB63

#F5FB63 is a very light, vivid yellow. Relative luminance 0.893; OKLCH L 95.6% C 0.171 H 111.4°. Best body text is #000000 at 18.86:1 contrast (WCAG AA passes).

Color values

HEX	#F5FB63
RGB	rgb(245, 251, 99)
HSL	hsl(62, 95%, 69%)
HSV	hsv(62, 61%, 98%)
CMYK	cmyk(2.4%, 0%, 60.6%, 1.6%)
CIE-LAB	lab(95.71, -20.69, 69.94)
CIE-LCH	lch(95.71, 72.93, 106.48°)
OKLab	oklab(95.59% -0.0624 0.1596)
OKLCH	oklch(95.59% 0.171 111.4)
XYZ	xyz(74.4076, 89.3094, 25.1208)
Luminance	0.8931 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5FB63 #6963FB

analogous

#FBB563 #F5FB63 #A9FB63

triadic

#F5FB63 #63F5FB #FB63F5

tetradic

#F5FB63 #63FBB5 #6963FB #FB63A9

square

#F5FB63 #63FBB5 #6963FB #FB63A9

split-complementary

#F5FB63 #63A9FB #B563FB

monochromatic

#D5DE06 #F1F927 #F5FB63 #F9FD9F #FDFEDA

Accessibility & contrast

On white

1.11

#F5FB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.86

#F5FB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5FB63

18.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5FB63	#FFFFFF	#000000	##000000
##F5FB63	1.00	1.11	18.86	18.86
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.86	21.00	1.00	1.00
##000000	18.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF051

Deuteranopia (green-blind)

#FFF56D

Tritanopia (blue-blind)

#FFEDDB

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #f5fb63;
/* rgb */ color: rgb(245, 251, 99);
/* oklch */ color: oklch(95.6% 0.171 111.4);

Tailwind

colors: {
  custom: {
    50: '#fbfc95',
    500: '#f5fb63',
    950: '#000000',
  },
}

SCSS

$custom: #f5fb63;
$custom-light: #fbfc95;
$custom-dark: #000000;

JSON

{
  "hex": "#f5fb63",
  "rgb": {
    "r": 245,
    "g": 251,
    "b": 99
  },
  "hsl": {
    "h": 62.368,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.95587,
    "c": 0.17136,
    "h": 111.4
  },
  "luminance": 0.89308
}

Semantic roles & 50–950 ramp

primary

#F5FB63

secondary

#342DD5

accent

#00E609

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F5FB63

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

Preview Lab → · Contrast checker → · Palette generator →