#F3FB78#F3FB78

#F3FB78 is a very light, vivid yellow. Relative luminance 0.894; OKLCH L 95.6% C 0.154 H 112.1°. Best body text is #000000 at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#F3FB78
RGB	rgb(243, 251, 120)
HSL	hsl(64, 94%, 73%)
HSV	hsv(64, 52%, 98%)
CMYK	cmyk(3.2%, 0%, 52.2%, 1.6%)
CIE-LAB	lab(95.75, -19.95, 60.99)
CIE-LCH	lch(95.75, 64.17, 108.11°)
OKLab	oklab(95.64% -0.0581 0.1429)
OKLCH	oklch(95.64% 0.154 112.1)
XYZ	xyz(74.8511, 89.4066, 31.0798)
Luminance	0.8941 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FB78 #8078FB

analogous

#FBC178 #F3FB78 #B1FB78

triadic

#F3FB78 #78F3FB #FB78F3

tetradic

#F3FB78 #78FBC1 #8078FB #FB78B1

square

#F3FB78 #78FBC1 #8078FB #FB78B1

split-complementary

#F3FB78 #78B1FB #C178FB

monochromatic

#E3F107 #EEF93D #F3FB78 #F8FDB3 #FCFEE1

Accessibility & contrast

On white

1.11

#F3FB78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.88

#F3FB78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FB78

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FB78	#FFFFFF	#000000	##000000
##F3FB78	1.00	1.11	18.88	18.88
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.88	21.00	1.00	1.00
##000000	18.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF16B

Deuteranopia (green-blind)

#FFF47F

Tritanopia (blue-blind)

#FFEEDE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #f3fb78;
/* rgb */ color: rgb(243, 251, 120);
/* oklch */ color: oklch(95.6% 0.154 112.1);

Tailwind

colors: {
  custom: {
    50: '#f9fca2',
    500: '#f3fb78',
    950: '#000000',
  },
}

SCSS

$custom: #f3fb78;
$custom-light: #f9fca2;
$custom-dark: #000000;

JSON

{
  "hex": "#f3fb78",
  "rgb": {
    "r": 243,
    "g": 251,
    "b": 120
  },
  "hsl": {
    "h": 63.664,
    "s": 94.245,
    "l": 72.745
  },
  "oklch": {
    "l": 0.95644,
    "c": 0.15428,
    "h": 112.1
  },
  "luminance": 0.89405
}

Semantic roles & 50–950 ramp

primary

#F3FB78

secondary

#493FD8

accent

#00E60E

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3FB78

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

Preview Lab → · Contrast checker → · Palette generator →