#F5FC4B#F5FC4B

#F5FC4B is a very light, vivid yellow. Relative luminance 0.895; OKLCH L 95.6% C 0.188 H 111.7°. Best body text is #000000 at 18.91:1 contrast (WCAG AA passes).

Color values

HEX	#F5FC4B
RGB	rgb(245, 252, 75)
HSL	hsl(62, 97%, 64%)
HSV	hsv(62, 70%, 99%)
CMYK	cmyk(2.8%, 0%, 70.2%, 1.2%)
CIE-LAB	lab(95.81, -22.49, 78.98)
CIE-LCH	lch(95.81, 82.12, 105.90°)
OKLab	oklab(95.61% -0.0698 0.175)
OKLCH	oklch(95.61% 0.188 111.7)
XYZ	xyz(73.7390, 89.5431, 20.0544)
Luminance	0.8954 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5FC4B #524BFC

analogous

#FCAB4B #F5FC4B #9DFC4B

triadic

#F5FC4B #4BF5FC #FC4BF5

tetradic

#F5FC4B #4BFCAB #524BFC #FC4B9D

square

#F5FC4B #4BFCAB #524BFC #FC4B9D

split-complementary

#F5FC4B #4B9DFC #AB4BFC

monochromatic

#C1C903 #F2FB0F #F5FC4B #F8FD87 #FCFEC3

Accessibility & contrast

On white

1.11

#F5FC4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.91

#F5FC4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5FC4B

18.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5FC4B	#FFFFFF	#000000	##000000
##F5FC4B	1.00	1.11	18.91	18.91
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.91	21.00	1.00	1.00
##000000	18.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF12A

Deuteranopia (green-blind)

#FFF559

Tritanopia (blue-blind)

#FFEDDA

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #f5fc4b;
/* rgb */ color: rgb(245, 252, 75);
/* oklch */ color: oklch(95.6% 0.188 111.7);

Tailwind

colors: {
  custom: {
    50: '#fcfd88',
    500: '#f5fc4b',
    950: '#000000',
  },
}

SCSS

$custom: #f5fc4b;
$custom-light: #fcfd88;
$custom-dark: #000000;

JSON

{
  "hex": "#f5fc4b",
  "rgb": {
    "r": 245,
    "g": 252,
    "b": 75
  },
  "hsl": {
    "h": 62.373,
    "s": 96.721,
    "l": 64.118
  },
  "oklch": {
    "l": 0.95613,
    "c": 0.18844,
    "h": 111.7
  },
  "luminance": 0.89541
}

Semantic roles & 50–950 ramp

primary

#F5FC4B

secondary

#2C26C5

accent

#00E609

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #F5FC4B

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

Preview Lab → · Contrast checker → · Palette generator →