#F3EC79#F3EC79

#F3EC79 is a very light, vivid yellow. Relative luminance 0.804; OKLCH L 92.6% C 0.137 H 105.6°. Best body text is #000000 at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#F3EC79
RGB	rgb(243, 236, 121)
HSL	hsl(57, 84%, 71%)
HSV	hsv(57, 50%, 95%)
CMYK	cmyk(0%, 2.9%, 50.2%, 4.7%)
CIE-LAB	lab(91.88, -12.57, 56.00)
CIE-LCH	lch(91.88, 57.39, 102.65°)
OKLab	oklab(92.56% -0.037 0.1322)
OKLCH	oklch(92.56% 0.137 105.6)
XYZ	xyz(70.4106, 80.4281, 29.9006)
Luminance	0.8043 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EC79 #7980F3

analogous

#F3AF79 #F3EC79 #BDF379

triadic

#F3EC79 #79F3EC #EC79F3

tetradic

#F3EC79 #79F3AF #7980F3 #F379BD

square

#F3EC79 #79F3AF #7980F3 #F379BD

split-complementary

#F3EC79 #79BDF3 #AF79F3

monochromatic

#DED214 #EEE441 #F3EC79 #F8F4B1 #FCFBE3

Accessibility & contrast

On white

1.23

#F3EC79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.09

#F3EC79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EC79

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EC79	#FFFFFF	#000000	##000000
##F3EC79	1.00	1.23	17.09	17.09
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.09	21.00	1.00	1.00
##000000	17.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE56E

Deuteranopia (green-blind)

#FFEA7F

Tritanopia (blue-blind)

#FFDFD2

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #f3ec79;
/* rgb */ color: rgb(243, 236, 121);
/* oklch */ color: oklch(92.6% 0.137 105.6);

Tailwind

colors: {
  custom: {
    50: '#f9f2a2',
    500: '#f3ec79',
    950: '#000000',
  },
}

SCSS

$custom: #f3ec79;
$custom-light: #f9f2a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ec79",
  "rgb": {
    "r": 243,
    "g": 236,
    "b": 121
  },
  "hsl": {
    "h": 56.557,
    "s": 83.562,
    "l": 71.373
  },
  "oklch": {
    "l": 0.92561,
    "c": 0.13725,
    "h": 105.6
  },
  "luminance": 0.80426
}

Semantic roles & 50–950 ramp

primary

#F3EC79

secondary

#434BCE

accent

#12E006

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18160F

muted

#868580

Preview Lab

Preview with #F3EC79

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

Preview Lab → · Contrast checker → · Palette generator →