#F9F563#F9F563

#F9F563 is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.7% C 0.165 H 107.7°. Best body text is #000000 at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#F9F563
RGB	rgb(249, 245, 99)
HSL	hsl(58, 93%, 68%)
HSV	hsv(58, 60%, 98%)
CMYK	cmyk(0%, 1.6%, 60.2%, 2.4%)
CIE-LAB	lab(94.46, -16.20, 68.68)
CIE-LCH	lch(94.46, 70.57, 103.27°)
OKLab	oklab(94.67% -0.05 0.1568)
OKLCH	oklch(94.67% 0.165 107.7)
XYZ	xyz(73.9738, 86.3476, 24.5720)
Luminance	0.8635 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F563 #6367F9

analogous

#F9AA63 #F9F563 #B2F963

triadic

#F9F563 #63F9F5 #F563F9

tetradic

#F9F563 #63F9AA #6367F9 #F963B2

square

#F9F563 #63F9AA #6367F9 #F963B2

split-complementary

#F9F563 #63B2F9 #AA63F9

monochromatic

#D9D408 #F7F128 #F9F563 #FBF99E #FEFDD9

Accessibility & contrast

On white

1.15

#F9F563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.27

#F9F563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F563

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F563	#FFFFFF	#000000	##000000
##F9F563	1.00	1.15	18.27	18.27
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.27	21.00	1.00	1.00
##000000	18.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC52

Deuteranopia (green-blind)

#FFF26C

Tritanopia (blue-blind)

#FFE6D6

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #f9f563;
/* rgb */ color: rgb(249, 245, 99);
/* oklch */ color: oklch(94.7% 0.165 107.7);

Tailwind

colors: {
  custom: {
    50: '#fef895',
    500: '#f9f563',
    950: '#000000',
  },
}

SCSS

$custom: #f9f563;
$custom-light: #fef895;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f563",
  "rgb": {
    "r": 249,
    "g": 245,
    "b": 99
  },
  "hsl": {
    "h": 58.4,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.94666,
    "c": 0.1646,
    "h": 107.7
  },
  "luminance": 0.86345
}

Semantic roles & 50–950 ramp

primary

#F9F563

secondary

#2E32D2

accent

#06E600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F9F563

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

Preview Lab → · Contrast checker → · Palette generator →