#F3EC66#F3EC66

#F3EC66 is a very light, vivid yellow. Relative luminance 0.800; OKLCH L 92.3% C 0.154 H 106.3°. Best body text is #000000 at 17.00:1 contrast (WCAG AA passes).

Color values

HEX	#F3EC66
RGB	rgb(243, 236, 102)
HSL	hsl(57, 85%, 68%)
HSV	hsv(57, 58%, 95%)
CMYK	cmyk(0%, 2.9%, 58%, 4.7%)
CIE-LAB	lab(91.69, -14.02, 64.26)
CIE-LCH	lch(91.69, 65.77, 102.31°)
OKLab	oklab(92.35% -0.0431 0.148)
OKLCH	oklch(92.35% 0.154 106.3)
XYZ	xyz(69.3581, 80.0071, 24.3572)
Luminance	0.8001 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EC66 #666DF3

analogous

#F3A566 #F3EC66 #B4F366

triadic

#F3EC66 #66F3EC #EC66F3

tetradic

#F3EC66 #66F3A5 #666DF3 #F366B4

square

#F3EC66 #66F3A5 #666DF3 #F366B4

split-complementary

#F3EC66 #66B4F3 #A566F3

monochromatic

#CEC510 #EFE52D #F3EC66 #F7F39F #FCFAD7

Accessibility & contrast

On white

1.24

#F3EC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.00

#F3EC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EC66

17.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EC66	#FFFFFF	#000000	##000000
##F3EC66	1.00	1.24	17.00	17.00
#FFFFFF	1.24	1.00	21.00	21.00
#000000	17.00	21.00	1.00	1.00
##000000	17.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE457

Deuteranopia (green-blind)

#FFEA6D

Tritanopia (blue-blind)

#FFDECF

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #f3ec66;
/* rgb */ color: rgb(243, 236, 102);
/* oklch */ color: oklch(92.3% 0.154 106.3);

Tailwind

colors: {
  custom: {
    50: '#faf196',
    500: '#f3ec66',
    950: '#000000',
  },
}

SCSS

$custom: #f3ec66;
$custom-light: #faf196;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ec66",
  "rgb": {
    "r": 243,
    "g": 236,
    "b": 102
  },
  "hsl": {
    "h": 57.021,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.9235,
    "c": 0.15411,
    "h": 106.3
  },
  "luminance": 0.80005
}

Semantic roles & 50–950 ramp

primary

#F3EC66

secondary

#333ACA

accent

#0FE204

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18160E

muted

#86857F

Preview Lab

Preview with #F3EC66

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

Preview Lab → · Contrast checker → · Palette generator →