#F5FF49#F5FF49

#F5FF49 is a very light, vivid yellow. Relative luminance 0.914; OKLCH L 96.2% C 0.193 H 112.7°. Best body text is #000000 at 19.28:1 contrast (WCAG AA passes).

Color values

HEX	#F5FF49
RGB	rgb(245, 255, 73)
HSL	hsl(63, 100%, 64%)
HSV	hsv(63, 71%, 100%)
CMYK	cmyk(3.9%, 0%, 71.4%, 0%)
CIE-LAB	lab(96.58, -24.00, 80.38)
CIE-LCH	lch(96.58, 83.89, 106.63°)
OKLab	oklab(96.23% -0.0742 0.1777)
OKLCH	oklch(96.23% 0.193 112.7)
XYZ	xyz(74.6211, 91.4152, 20.0161)
Luminance	0.9141 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5FF49 #5349FF

analogous

#FFAE49 #F5FF49 #9AFF49

triadic

#F5FF49 #49F5FF #FF49F5

tetradic

#F5FF49 #49FFAE #5349FF #FF499A

square

#F5FF49 #49FFAE #5349FF #FF499A

split-complementary

#F5FF49 #499AFF #AE49FF

monochromatic

#C2CE00 #F2FF0C #F5FF49 #F8FF86 #FCFFC3

Accessibility & contrast

On white

1.09

#F5FF49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.28

#F5FF49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5FF49

19.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5FF49	#FFFFFF	#000000	##000000
##F5FF49	1.00	1.09	19.28	19.28
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.28	21.00	1.00	1.00
##000000	19.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF325

Deuteranopia (green-blind)

#FFF758

Tritanopia (blue-blind)

#FFF0DC

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f5ff49;
/* rgb */ color: rgb(245, 255, 73);
/* oklch */ color: oklch(96.2% 0.193 112.7);

Tailwind

colors: {
  custom: {
    50: '#fcff88',
    500: '#f5ff49',
    950: '#000000',
  },
}

SCSS

$custom: #f5ff49;
$custom-light: #fcff88;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ff49",
  "rgb": {
    "r": 245,
    "g": 255,
    "b": 73
  },
  "hsl": {
    "h": 63.297,
    "s": 100,
    "l": 64.314
  },
  "oklch": {
    "l": 0.96229,
    "c": 0.19254,
    "h": 112.7
  },
  "luminance": 0.91414
}

Semantic roles & 50–950 ramp

primary

#F5FF49

secondary

#2D23C9

accent

#00E60D

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #F5FF49

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

Preview Lab → · Contrast checker → · Palette generator →