#F3F55C#F3F55C

#F3F55C is a very light, vivid yellow. Relative luminance 0.851; OKLCH L 94.1% C 0.171 H 110.0°. Best body text is #000000 at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#F3F55C
RGB	rgb(243, 245, 92)
HSL	hsl(61, 88%, 66%)
HSV	hsv(61, 62%, 96%)
CMYK	cmyk(0.8%, 0%, 62.4%, 3.9%)
CIE-LAB	lab(93.94, -19.04, 70.81)
CIE-LCH	lch(93.94, 73.33, 105.05°)
OKLab	oklab(94.12% -0.0584 0.1605)
OKLCH	oklch(94.12% 0.171 110)
XYZ	xyz(71.5485, 85.1341, 22.7867)
Luminance	0.8513 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F55C #5E5CF5

analogous

#F5AA5C #F3F55C #A6F55C

triadic

#F3F55C #5CF3F5 #F55CF3

tetradic

#F3F55C #5CF5AA #5E5CF5 #F55CA6

square

#F3F55C #5CF5AA #5E5CF5 #F55CA6

split-complementary

#F3F55C #5CA6F5 #AA5CF5

monochromatic

#C8CA0C #EFF122 #F3F55C #F7F996 #FBFCCF

Accessibility & contrast

On white

1.16

#F3F55C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.03

#F3F55C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F55C

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F55C	#FFFFFF	#000000	##000000
##F3F55C	1.00	1.16	18.03	18.03
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.03	21.00	1.00	1.00
##000000	18.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB48

Deuteranopia (green-blind)

#FFF066

Tritanopia (blue-blind)

#FFE7D5

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f3f55c;
/* rgb */ color: rgb(243, 245, 92);
/* oklch */ color: oklch(94.1% 0.171 110.0);

Tailwind

colors: {
  custom: {
    50: '#faf891',
    500: '#f3f55c',
    950: '#000000',
  },
}

SCSS

$custom: #f3f55c;
$custom-light: #faf891;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f55c",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 92
  },
  "hsl": {
    "h": 60.784,
    "s": 88.439,
    "l": 66.078
  },
  "oklch": {
    "l": 0.9412,
    "c": 0.1708,
    "h": 110
  },
  "luminance": 0.85132
}

Semantic roles & 50–950 ramp

primary

#F3F55C

secondary

#312FC6

accent

#00E503

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F55C

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

Preview Lab → · Contrast checker → · Palette generator →