#F9FC63#F9FC63

#F9FC63 is a very light, vivid yellow. Relative luminance 0.907; OKLCH L 96.1% C 0.172 H 110.3°. Best body text is #000000 at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#F9FC63
RGB	rgb(249, 252, 99)
HSL	hsl(61, 96%, 69%)
HSV	hsv(61, 61%, 99%)
CMYK	cmyk(1.2%, 0%, 60.7%, 1.2%)
CIE-LAB	lab(96.27, -19.58, 70.63)
CIE-LCH	lch(96.27, 73.29, 105.49°)
OKLab	oklab(96.11% -0.0595 0.161)
OKLCH	oklch(96.11% 0.172 110.3)
XYZ	xyz(76.1317, 90.6633, 25.2913)
Luminance	0.9066 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9FC63 #6663FC

analogous

#FCB263 #F9FC63 #ADFC63

triadic

#F9FC63 #63F9FC #FC63F9

tetradic

#F9FC63 #63FCB2 #6663FC #FC63AD

square

#F9FC63 #63FCB2 #6663FC #FC63AD

split-complementary

#F9FC63 #63ADFC #B263FC

monochromatic

#DCE004 #F7FB27 #F9FC63 #FBFD9F #FEFEDB

Accessibility & contrast

On white

1.10

#F9FC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.13

#F9FC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9FC63

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9FC63	#FFFFFF	#000000	##000000
##F9FC63	1.00	1.10	19.13	19.13
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.13	21.00	1.00	1.00
##000000	19.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF250

Deuteranopia (green-blind)

#FFF76D

Tritanopia (blue-blind)

#FFEDDC

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #f9fc63;
/* rgb */ color: rgb(249, 252, 99);
/* oklch */ color: oklch(96.1% 0.172 110.3);

Tailwind

colors: {
  custom: {
    50: '#fefd96',
    500: '#f9fc63',
    950: '#000000',
  },
}

SCSS

$custom: #f9fc63;
$custom-light: #fefd96;
$custom-dark: #000000;

JSON

{
  "hex": "#f9fc63",
  "rgb": {
    "r": 249,
    "g": 252,
    "b": 99
  },
  "hsl": {
    "h": 61.176,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.9611,
    "c": 0.17161,
    "h": 110.3
  },
  "luminance": 0.90661
}

Semantic roles & 50–950 ramp

primary

#F9FC63

secondary

#302DD6

accent

#00E604

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F9FC63

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

Preview Lab → · Contrast checker → · Palette generator →