#F0E663#F0E663

#F0E663 is a very light, vivid yellow. Relative luminance 0.760; OKLCH L 90.8% C 0.151 H 104.9°. Best body text is #000000 at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#F0E663
RGB	rgb(240, 230, 99)
HSL	hsl(56, 82%, 66%)
HSV	hsv(56, 59%, 94%)
CMYK	cmyk(0%, 4.2%, 58.8%, 5.9%)
CIE-LAB	lab(89.87, -12.49, 63.47)
CIE-LCH	lch(89.87, 64.69, 101.13°)
OKLab	oklab(90.84% -0.0389 0.146)
OKLCH	oklch(90.84% 0.151 104.9)
XYZ	xyz(66.4864, 76.0220, 22.9734)
Luminance	0.7602 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0E663 #636DF0

analogous

#F0A063 #F0E663 #B4F063

triadic

#F0E663 #63F0E6 #E663F0

tetradic

#F0E663 #63F0A0 #636DF0 #F063B4

square

#F0E663 #63F0A0 #636DF0 #F063B4

split-complementary

#F0E663 #63B4F0 #A063F0

monochromatic

#C6B913 #EBDD2B #F0E663 #F5EF9B #FBF8D3

Accessibility & contrast

On white

1.30

#F0E663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.20

#F0E663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0E663

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0E663	#FFFFFF	#000000	##000000
##F0E663	1.00	1.30	16.20	16.20
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.20	21.00	1.00	1.00
##000000	16.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DF55

Deuteranopia (green-blind)

#FCE56A

Tritanopia (blue-blind)

#FFD8CA

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #f0e663;
/* rgb */ color: rgb(240, 230, 99);
/* oklch */ color: oklch(90.8% 0.151 104.9);

Tailwind

colors: {
  custom: {
    50: '#f8ed94',
    500: '#f0e663',
    950: '#000000',
  },
}

SCSS

$custom: #f0e663;
$custom-light: #f8ed94;
$custom-dark: #000000;

JSON

{
  "hex": "#f0e663",
  "rgb": {
    "r": 240,
    "g": 230,
    "b": 99
  },
  "hsl": {
    "h": 55.745,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.90836,
    "c": 0.15106,
    "h": 104.9
  },
  "luminance": 0.7602
}

Semantic roles & 50–950 ramp

primary

#F0E663

secondary

#343EC3

accent

#16DF07

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#18160D

muted

#86847F

Preview Lab

Preview with #F0E663

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

Preview Lab → · Contrast checker → · Palette generator →