#F3F54E#F3F54E

#F3F54E is a very light, vivid yellow. Relative luminance 0.849; OKLCH L 94.0% C 0.180 H 110.1°. Best body text is #000000 at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#F3F54E
RGB	rgb(243, 245, 78)
HSL	hsl(61, 89%, 63%)
HSV	hsv(61, 68%, 96%)
CMYK	cmyk(0.8%, 0%, 68.2%, 3.9%)
CIE-LAB	lab(93.84, -19.81, 75.97)
CIE-LCH	lch(93.84, 78.51, 104.62°)
OKLab	oklab(94.01% -0.0619 0.1693)
OKLCH	oklch(94.01% 0.18 110.1)
XYZ	xyz(70.9921, 84.9115, 19.8562)
Luminance	0.8491 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F54E #504EF5

analogous

#F5A44E #F3F54E #9FF54E

triadic

#F3F54E #4EF3F5 #F54EF3

tetradic

#F3F54E #4EF5A4 #504EF5 #F54E9F

square

#F3F54E #4EF5A4 #504EF5 #F54E9F

split-complementary

#F3F54E #4E9FF5 #A44EF5

monochromatic

#BCBE0B #EFF214 #F3F54E #F7F888 #FBFCC2

Accessibility & contrast

On white

1.17

#F3F54E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.98

#F3F54E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F54E

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F54E	#FFFFFF	#000000	##000000
##F3F54E	1.00	1.17	17.98	17.98
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.98	21.00	1.00	1.00
##000000	17.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB33

Deuteranopia (green-blind)

#FFF05A

Tritanopia (blue-blind)

#FFE6D4

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f3f54e;
/* rgb */ color: rgb(243, 245, 78);
/* oklch */ color: oklch(94.0% 0.180 110.1);

Tailwind

colors: {
  custom: {
    50: '#fbf889',
    500: '#f3f54e',
    950: '#000000',
  },
}

SCSS

$custom: #f3f54e;
$custom-light: #fbf889;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f54e",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 78
  },
  "hsl": {
    "h": 60.719,
    "s": 89.305,
    "l": 63.333
  },
  "oklch": {
    "l": 0.94013,
    "c": 0.18022,
    "h": 110.1
  },
  "luminance": 0.8491
}

Semantic roles & 50–950 ramp

primary

#F3F54E

secondary

#2D2BBC

accent

#00E603

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #F3F54E

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

Preview Lab → · Contrast checker → · Palette generator →