#F3ED66#F3ED66

#F3ED66 is a very light, vivid yellow. Relative luminance 0.806; OKLCH L 92.6% C 0.155 H 106.7°. Best body text is #000000 at 17.12:1 contrast (WCAG AA passes).

Color values

HEX	#F3ED66
RGB	rgb(243, 237, 102)
HSL	hsl(57, 85%, 68%)
HSV	hsv(57, 58%, 95%)
CMYK	cmyk(0%, 2.5%, 58%, 4.7%)
CIE-LAB	lab(91.95, -14.51, 64.55)
CIE-LCH	lch(91.95, 66.16, 102.67°)
OKLab	oklab(92.56% -0.0445 0.1486)
OKLCH	oklch(92.56% 0.155 106.7)
XYZ	xyz(69.6468, 80.5845, 24.4534)
Luminance	0.8058 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3ED66 #666CF3

analogous

#F3A766 #F3ED66 #B2F366

triadic

#F3ED66 #66F3ED #ED66F3

tetradic

#F3ED66 #66F3A7 #666CF3 #F366B2

square

#F3ED66 #66F3A7 #666CF3 #F366B2

split-complementary

#F3ED66 #66B2F3 #A766F3

monochromatic

#CEC610 #EFE62D #F3ED66 #F7F49F #FCFAD7

Accessibility & contrast

On white

1.23

#F3ED66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.12

#F3ED66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3ED66

17.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3ED66	#FFFFFF	#000000	##000000
##F3ED66	1.00	1.23	17.12	17.12
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.12	21.00	1.00	1.00
##000000	17.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE557

Deuteranopia (green-blind)

#FFEB6E

Tritanopia (blue-blind)

#FFDFD0

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #f3ed66;
/* rgb */ color: rgb(243, 237, 102);
/* oklch */ color: oklch(92.6% 0.155 106.7);

Tailwind

colors: {
  custom: {
    50: '#faf296',
    500: '#f3ed66',
    950: '#000000',
  },
}

SCSS

$custom: #f3ed66;
$custom-light: #faf296;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ed66",
  "rgb": {
    "r": 243,
    "g": 237,
    "b": 102
  },
  "hsl": {
    "h": 57.447,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.92556,
    "c": 0.15509,
    "h": 106.7
  },
  "luminance": 0.80582
}

Semantic roles & 50–950 ramp

primary

#F3ED66

secondary

#3339CA

accent

#0DE204

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18160E

muted

#86857F

Preview Lab

Preview with #F3ED66

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

Preview Lab → · Contrast checker → · Palette generator →