#F3DF55#F3DF55

#F3DF55 is a very light, vivid yellow. Relative luminance 0.725; OKLCH L 89.5% C 0.156 H 101.0°. Best body text is #000000 at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#F3DF55
RGB	rgb(243, 223, 85)
HSL	hsl(52, 87%, 64%)
HSV	hsv(52, 65%, 95%)
CMYK	cmyk(0%, 8.2%, 65%, 4.7%)
CIE-LAB	lab(88.20, -8.65, 67.58)
CIE-LCH	lch(88.20, 68.14, 97.30°)
OKLab	oklab(89.54% -0.0297 0.1527)
OKLCH	oklch(89.54% 0.156 101)
XYZ	xyz(64.9922, 72.4887, 19.1609)
Luminance	0.7249 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3DF55 #5569F3

analogous

#F39055 #F3DF55 #B8F355

triadic

#F3DF55 #55F3DF #DF55F3

tetradic

#F3DF55 #55F390 #5569F3 #F355B8

square

#F3DF55 #55F390 #5569F3 #F355B8

split-complementary

#F3DF55 #55B8F3 #9055F3

monochromatic

#C0A90E #EFD41C #F3DF55 #F7EA8E #FBF5C7

Accessibility & contrast

On white

1.36

#F3DF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.50

#F3DF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3DF55

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3DF55	#FFFFFF	#000000	##000000
##F3DF55	1.00	1.36	15.50	15.50
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.50	21.00	1.00	1.00
##000000	15.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D943

Deuteranopia (green-blind)

#F9E15D

Tritanopia (blue-blind)

#FFD0C2

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #f3df55;
/* rgb */ color: rgb(243, 223, 85);
/* oklch */ color: oklch(89.5% 0.156 101.0);

Tailwind

colors: {
  custom: {
    50: '#fbe88b',
    500: '#f3df55',
    950: '#000000',
  },
}

SCSS

$custom: #f3df55;
$custom-light: #fbe88b;
$custom-dark: #000000;

JSON

{
  "hex": "#f3df55",
  "rgb": {
    "r": 243,
    "g": 223,
    "b": 85
  },
  "hsl": {
    "h": 52.405,
    "s": 86.813,
    "l": 64.314
  },
  "oklch": {
    "l": 0.89535,
    "c": 0.15552,
    "h": 101
  },
  "luminance": 0.72486
}

Semantic roles & 50–950 ramp

primary

#F3DF55

secondary

#2E41BE

accent

#1FE302

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #F3DF55

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

Preview Lab → · Contrast checker → · Palette generator →