#F4FB66#F4FB66

#F4FB66 is a very light, vivid yellow. Relative luminance 0.892; OKLCH L 95.5% C 0.169 H 111.7°. Best body text is #000000 at 18.84:1 contrast (WCAG AA passes).

Color values

HEX	#F4FB66
RGB	rgb(244, 251, 102)
HSL	hsl(63, 95%, 69%)
HSV	hsv(63, 59%, 98%)
CMYK	cmyk(2.8%, 0%, 59.4%, 1.6%)
CIE-LAB	lab(95.66, -20.89, 68.64)
CIE-LCH	lch(95.66, 71.74, 106.93°)
OKLab	oklab(95.54% -0.0626 0.1572)
OKLCH	oklch(95.54% 0.169 111.7)
XYZ	xyz(74.2056, 89.1884, 25.8739)
Luminance	0.8919 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4FB66 #6D66FB

analogous

#FBB866 #F4FB66 #AAFB66

triadic

#F4FB66 #66F4FB #FB66F4

tetradic

#F4FB66 #66FBB8 #6D66FB #FB66AA

square

#F4FB66 #66FBB8 #6D66FB #FB66AA

split-complementary

#F4FB66 #66AAFB #B866FB

monochromatic

#D6E106 #F0F92A #F4FB66 #F8FDA2 #FDFEDD

Accessibility & contrast

On white

1.11

#F4FB66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.84

#F4FB66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4FB66

18.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4FB66	#FFFFFF	#000000	##000000
##F4FB66	1.00	1.11	18.84	18.84
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.84	21.00	1.00	1.00
##000000	18.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF055

Deuteranopia (green-blind)

#FFF46F

Tritanopia (blue-blind)

#FFEDDB

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #f4fb66;
/* rgb */ color: rgb(244, 251, 102);
/* oklch */ color: oklch(95.5% 0.169 111.7);

Tailwind

colors: {
  custom: {
    50: '#fbfc97',
    500: '#f4fb66',
    950: '#000000',
  },
}

SCSS

$custom: #f4fb66;
$custom-light: #fbfc97;
$custom-dark: #000000;

JSON

{
  "hex": "#f4fb66",
  "rgb": {
    "r": 244,
    "g": 251,
    "b": 102
  },
  "hsl": {
    "h": 62.819,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.95537,
    "c": 0.16925,
    "h": 111.7
  },
  "luminance": 0.89187
}

Semantic roles & 50–950 ramp

primary

#F4FB66

secondary

#3830D5

accent

#00E60B

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F4FB66

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

Preview Lab → · Contrast checker → · Palette generator →