#F3F378#F3F378

#F3F378 is a very light, vivid yellow. Relative luminance 0.845; OKLCH L 94.0% C 0.146 H 108.9°. Best body text is #000000 at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#F3F378
RGB	rgb(243, 243, 120)
HSL	hsl(60, 84%, 71%)
HSV	hsv(60, 51%, 95%)
CMYK	cmyk(0%, 0%, 50.6%, 4.7%)
CIE-LAB	lab(93.67, -16.08, 58.57)
CIE-LCH	lch(93.67, 60.74, 105.36°)
OKLab	oklab(93.99% -0.0471 0.1377)
OKLCH	oklch(93.99% 0.146 108.9)
XYZ	xyz(72.4046, 84.5137, 30.2643)
Luminance	0.8451 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F378 #7878F3

analogous

#F3B578 #F3F378 #B5F378

triadic

#F3F378 #78F3F3 #F378F3

tetradic

#F3F378 #78F3B5 #7878F3 #F378B5

square

#F3F378 #78F3B5 #7878F3 #F378B5

split-complementary

#F3F378 #78B5F3 #B578F3

monochromatic

#DDDD14 #EEEE40 #F3F378 #F8F8B0 #FDFDE3

Accessibility & contrast

On white

1.17

#F3F378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.90

#F3F378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F378

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F378	#FFFFFF	#000000	##000000
##F3F378	1.00	1.17	17.90	17.90
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.90	21.00	1.00	1.00
##000000	17.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA6C

Deuteranopia (green-blind)

#FFEF7E

Tritanopia (blue-blind)

#FFE6D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f3f378;
/* rgb */ color: rgb(243, 243, 120);
/* oklch */ color: oklch(94.0% 0.146 108.9);

Tailwind

colors: {
  custom: {
    50: '#f9f6a2',
    500: '#f3f378',
    950: '#000000',
  },
}

SCSS

$custom: #f3f378;
$custom-light: #f9f6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f378",
  "rgb": {
    "r": 243,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 60,
    "s": 83.673,
    "l": 71.176
  },
  "oklch": {
    "l": 0.93988,
    "c": 0.14553,
    "h": 108.9
  },
  "luminance": 0.84512
}

Semantic roles & 50–950 ramp

primary

#F3F378

secondary

#4242CE

accent

#05E005

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3F378

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

Preview Lab → · Contrast checker → · Palette generator →