#F3E663#F3E663

#F3E663 is a very light, vivid yellow. Relative luminance 0.765; OKLCH L 91.1% C 0.151 H 103.7°. Best body text is #000000 at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#F3E663
RGB	rgb(243, 230, 99)
HSL	hsl(55, 86%, 67%)
HSV	hsv(55, 59%, 95%)
CMYK	cmyk(0%, 5.3%, 59.3%, 4.7%)
CIE-LAB	lab(90.11, -11.27, 63.81)
CIE-LCH	lch(90.11, 64.80, 100.02°)
OKLab	oklab(91.09% -0.0356 0.1466)
OKLCH	oklch(91.09% 0.151 103.7)
XYZ	xyz(67.5135, 76.5516, 23.0216)
Luminance	0.7655 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3E663 #6370F3

analogous

#F39E63 #F3E663 #B8F363

triadic

#F3E663 #63F3E6 #E663F3

tetradic

#F3E663 #63F39E #6370F3 #F363B8

square

#F3E663 #63F39E #6370F3 #F363B8

split-complementary

#F3E663 #63B8F3 #9E63F3

monochromatic

#CCBB10 #EFDD2A #F3E663 #F7EF9C #FCF8D5

Accessibility & contrast

On white

1.29

#F3E663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.31

#F3E663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3E663

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3E663	#FFFFFF	#000000	##000000
##F3E663	1.00	1.29	16.31	16.31
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.31	21.00	1.00	1.00
##000000	16.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DF54

Deuteranopia (green-blind)

#FDE66A

Tritanopia (blue-blind)

#FFD8CA

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #f3e663;
/* rgb */ color: rgb(243, 230, 99);
/* oklch */ color: oklch(91.1% 0.151 103.7);

Tailwind

colors: {
  custom: {
    50: '#faed94',
    500: '#f3e663',
    950: '#000000',
  },
}

SCSS

$custom: #f3e663;
$custom-light: #faed94;
$custom-dark: #000000;

JSON

{
  "hex": "#f3e663",
  "rgb": {
    "r": 243,
    "g": 230,
    "b": 99
  },
  "hsl": {
    "h": 54.583,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.9109,
    "c": 0.15088,
    "h": 103.7
  },
  "luminance": 0.76549
}

Semantic roles & 50–950 ramp

primary

#F3E663

secondary

#3240C8

accent

#17E203

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#18160D

muted

#86847F

Preview Lab

Preview with #F3E663

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

Preview Lab → · Contrast checker → · Palette generator →