#F3EB66#F3EB66

#F3EB66 is a very light, vivid yellow. Relative luminance 0.794; OKLCH L 92.1% C 0.153 H 105.8°. Best body text is #000000 at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#F3EB66
RGB	rgb(243, 235, 102)
HSL	hsl(57, 85%, 68%)
HSV	hsv(57, 58%, 95%)
CMYK	cmyk(0%, 3.3%, 58%, 4.7%)
CIE-LAB	lab(91.43, -13.53, 63.97)
CIE-LCH	lch(91.43, 65.39, 101.94°)
OKLab	oklab(92.15% -0.0417 0.1473)
OKLCH	oklch(92.15% 0.153 105.8)
XYZ	xyz(69.0710, 79.4329, 24.2615)
Luminance	0.7943 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EB66 #666EF3

analogous

#F3A566 #F3EB66 #B4F366

triadic

#F3EB66 #66F3EB #EB66F3

tetradic

#F3EB66 #66F3A5 #666EF3 #F366B4

square

#F3EB66 #66F3A5 #666EF3 #F366B4

split-complementary

#F3EB66 #66B4F3 #A566F3

monochromatic

#CEC410 #EFE42D #F3EB66 #F7F29F #FCFAD7

Accessibility & contrast

On white

1.24

#F3EB66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.89

#F3EB66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EB66

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EB66	#FFFFFF	#000000	##000000
##F3EB66	1.00	1.24	16.89	16.89
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.89	21.00	1.00	1.00
##000000	16.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE357

Deuteranopia (green-blind)

#FFE96D

Tritanopia (blue-blind)

#FFDDCE

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #f3eb66;
/* rgb */ color: rgb(243, 235, 102);
/* oklch */ color: oklch(92.1% 0.153 105.8);

Tailwind

colors: {
  custom: {
    50: '#faf196',
    500: '#f3eb66',
    950: '#000000',
  },
}

SCSS

$custom: #f3eb66;
$custom-light: #faf196;
$custom-dark: #000000;

JSON

{
  "hex": "#f3eb66",
  "rgb": {
    "r": 243,
    "g": 235,
    "b": 102
  },
  "hsl": {
    "h": 56.596,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.92145,
    "c": 0.15314,
    "h": 105.8
  },
  "luminance": 0.79431
}

Semantic roles & 50–950 ramp

primary

#F3EB66

secondary

#333BCA

accent

#10E204

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18160E

muted

#86857F

Preview Lab

Preview with #F3EB66

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

Preview Lab → · Contrast checker → · Palette generator →