#F3EF78#F3EF78

#F3EF78 is a very light, vivid yellow. Relative luminance 0.821; OKLCH L 93.2% C 0.141 H 107.1°. Best body text is #000000 at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#F3EF78
RGB	rgb(243, 239, 120)
HSL	hsl(58, 84%, 71%)
HSV	hsv(58, 51%, 95%)
CMYK	cmyk(0%, 1.6%, 50.6%, 4.7%)
CIE-LAB	lab(92.64, -14.13, 57.36)
CIE-LCH	lch(92.64, 59.07, 103.84°)
OKLab	oklab(93.16% -0.0416 0.135)
OKLCH	oklch(93.16% 0.141 107.1)
XYZ	xyz(71.2206, 82.1457, 29.8697)
Luminance	0.8214 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EF78 #787CF3

analogous

#F3B178 #F3EF78 #B9F378

triadic

#F3EF78 #78F3EF #EF78F3

tetradic

#F3EF78 #78F3B1 #787CF3 #F378B9

square

#F3EF78 #78F3B1 #787CF3 #F378B9

split-complementary

#F3EF78 #78B9F3 #B178F3

monochromatic

#DDD614 #EEE840 #F3EF78 #F8F6B0 #FDFCE3

Accessibility & contrast

On white

1.20

#F3EF78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.43

#F3EF78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EF78

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EF78	#FFFFFF	#000000	##000000
##F3EF78	1.00	1.20	17.43	17.43
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.43	21.00	1.00	1.00
##000000	17.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE76D

Deuteranopia (green-blind)

#FFEC7E

Tritanopia (blue-blind)

#FFE2D4

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #f3ef78;
/* rgb */ color: rgb(243, 239, 120);
/* oklch */ color: oklch(93.2% 0.141 107.1);

Tailwind

colors: {
  custom: {
    50: '#f9f4a2',
    500: '#f3ef78',
    950: '#000000',
  },
}

SCSS

$custom: #f3ef78;
$custom-light: #f9f4a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ef78",
  "rgb": {
    "r": 243,
    "g": 239,
    "b": 120
  },
  "hsl": {
    "h": 58.049,
    "s": 83.673,
    "l": 71.176
  },
  "oklch": {
    "l": 0.93164,
    "c": 0.14129,
    "h": 107.1
  },
  "luminance": 0.82144
}

Semantic roles & 50–950 ramp

primary

#F3EF78

secondary

#4246CE

accent

#0CE005

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3EF78

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

Preview Lab → · Contrast checker → · Palette generator →