#F3F66B#F3F66B

#F3F66B is a very light, vivid yellow. Relative luminance 0.860; OKLCH L 94.5% C 0.160 H 110.3°. Best body text is #000000 at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#F3F66B
RGB	rgb(243, 246, 107)
HSL	hsl(61, 89%, 69%)
HSV	hsv(61, 57%, 96%)
CMYK	cmyk(1.2%, 0%, 56.5%, 3.5%)
CIE-LAB	lab(94.33, -18.54, 65.05)
CIE-LCH	lch(94.33, 67.64, 105.91°)
OKLab	oklab(94.47% -0.0554 0.1502)
OKLCH	oklch(94.47% 0.16 110.3)
XYZ	xyz(72.5737, 86.0295, 26.6894)
Luminance	0.8603 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F66B #6E6BF6

analogous

#F6B46B #F3F66B #AEF66B

triadic

#F3F66B #6BF3F6 #F66BF3

tetradic

#F3F66B #6BF6B4 #6E6BF6 #F66BAE

square

#F3F66B #6BF6B4 #6E6BF6 #F66BAE

split-complementary

#F3F66B #6BAEF6 #B46BF6

monochromatic

#D5D90D #EEF231 #F3F66B #F8FAA5 #FCFDDE

Accessibility & contrast

On white

1.15

#F3F66B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.21

#F3F66B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F66B

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F66B	#FFFFFF	#000000	##000000
##F3F66B	1.00	1.15	18.21	18.21
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.21	21.00	1.00	1.00
##000000	18.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC5C

Deuteranopia (green-blind)

#FFF173

Tritanopia (blue-blind)

#FFE8D8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #f3f66b;
/* rgb */ color: rgb(243, 246, 107);
/* oklch */ color: oklch(94.5% 0.160 110.3);

Tailwind

colors: {
  custom: {
    50: '#faf99a',
    500: '#f3f66b',
    950: '#000000',
  },
}

SCSS

$custom: #f3f66b;
$custom-light: #faf99a;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f66b",
  "rgb": {
    "r": 243,
    "g": 246,
    "b": 107
  },
  "hsl": {
    "h": 61.295,
    "s": 88.535,
    "l": 69.216
  },
  "oklch": {
    "l": 0.94466,
    "c": 0.16013,
    "h": 110.3
  },
  "luminance": 0.86028
}

Semantic roles & 50–950 ramp

primary

#F3F66B

secondary

#3936D0

accent

#00E505

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3F66B

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

Preview Lab → · Contrast checker → · Palette generator →