#F0DF55#F0DF55

#F0DF55 is a very light, vivid yellow. Relative luminance 0.720; OKLCH L 89.3% C 0.156 H 102.3°. Best body text is #000000 at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#F0DF55
RGB	rgb(240, 223, 85)
HSL	hsl(53, 84%, 64%)
HSV	hsv(53, 65%, 94%)
CMYK	cmyk(0%, 7.1%, 64.6%, 5.9%)
CIE-LAB	lab(87.95, -9.89, 67.24)
CIE-LCH	lch(87.95, 67.96, 98.37°)
OKLab	oklab(89.27% -0.033 0.152)
OKLCH	oklch(89.27% 0.156 102.3)
XYZ	xyz(63.9651, 71.9591, 19.1127)
Luminance	0.7196 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0DF55 #5566F0

analogous

#F09155 #F0DF55 #B3F055

triadic

#F0DF55 #55F0DF #DF55F0

tetradic

#F0DF55 #55F091 #5566F0 #F055B3

square

#F0DF55 #55F091 #5566F0 #F055B3

split-complementary

#F0DF55 #55B3F0 #9155F0

monochromatic

#BAA810 #EBD41D #F0DF55 #F5EA8D #FAF4C5

Accessibility & contrast

On white

1.36

#F0DF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.39

#F0DF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0DF55

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0DF55	#FFFFFF	#000000	##000000
##F0DF55	1.00	1.36	15.39	15.39
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.39	21.00	1.00	1.00
##000000	15.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D843

Deuteranopia (green-blind)

#F8E05D

Tritanopia (blue-blind)

#FFD0C2

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #f0df55;
/* rgb */ color: rgb(240, 223, 85);
/* oklch */ color: oklch(89.3% 0.156 102.3);

Tailwind

colors: {
  custom: {
    50: '#f8e88b',
    500: '#f0df55',
    950: '#000000',
  },
}

SCSS

$custom: #f0df55;
$custom-light: #f8e88b;
$custom-dark: #000000;

JSON

{
  "hex": "#f0df55",
  "rgb": {
    "r": 240,
    "g": 223,
    "b": 85
  },
  "hsl": {
    "h": 53.419,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.89272,
    "c": 0.15556,
    "h": 102.3
  },
  "luminance": 0.71956
}

Semantic roles & 50–950 ramp

primary

#F0DF55

secondary

#303FB9

accent

#1DE005

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #F0DF55

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

Preview Lab → · Contrast checker → · Palette generator →