#F3F55A#F3F55A

#F3F55A is a very light, vivid yellow. Relative luminance 0.851; OKLCH L 94.1% C 0.172 H 110.0°. Best body text is #000000 at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#F3F55A
RGB	rgb(243, 245, 90)
HSL	hsl(61, 89%, 66%)
HSV	hsv(61, 63%, 96%)
CMYK	cmyk(0.8%, 0%, 63.3%, 3.9%)
CIE-LAB	lab(93.93, -19.16, 71.58)
CIE-LCH	lch(93.93, 74.10, 104.99°)
OKLab	oklab(94.1% -0.0589 0.1618)
OKLCH	oklch(94.1% 0.172 110)
XYZ	xyz(71.4623, 85.0996, 22.3323)
Luminance	0.8510 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F55A #5C5AF5

analogous

#F5A95A #F3F55A #A5F55A

triadic

#F3F55A #5AF3F5 #F55AF3

tetradic

#F3F55A #5AF5A9 #5C5AF5 #F55AA5

square

#F3F55A #5AF5A9 #5C5AF5 #F55AA5

split-complementary

#F3F55A #5AA5F5 #A95AF5

monochromatic

#C6C80C #EFF220 #F3F55A #F7F894 #FBFCCD

Accessibility & contrast

On white

1.17

#F3F55A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.02

#F3F55A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F55A

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F55A	#FFFFFF	#000000	##000000
##F3F55A	1.00	1.17	18.02	18.02
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.02	21.00	1.00	1.00
##000000	18.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB45

Deuteranopia (green-blind)

#FFF064

Tritanopia (blue-blind)

#FFE6D5

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f3f55a;
/* rgb */ color: rgb(243, 245, 90);
/* oklch */ color: oklch(94.1% 0.172 110.0);

Tailwind

colors: {
  custom: {
    50: '#faf890',
    500: '#f3f55a',
    950: '#000000',
  },
}

SCSS

$custom: #f3f55a;
$custom-light: #faf890;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f55a",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 90
  },
  "hsl": {
    "h": 60.774,
    "s": 88.571,
    "l": 65.686
  },
  "oklch": {
    "l": 0.94103,
    "c": 0.17224,
    "h": 110
  },
  "luminance": 0.85098
}

Semantic roles & 50–950 ramp

primary

#F3F55A

secondary

#302EC5

accent

#00E503

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F55A

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

Preview Lab → · Contrast checker → · Palette generator →