#FBFF55#FBFF55

#FBFF55 is a very light, vivid yellow. Relative luminance 0.927; OKLCH L 96.8% C 0.184 H 110.7°. Best body text is #000000 at 19.54:1 contrast (WCAG AA passes).

Color values

HEX	#FBFF55
RGB	rgb(251, 255, 85)
HSL	hsl(61, 100%, 67%)
HSV	hsv(61, 67%, 100%)
CMYK	cmyk(1.6%, 0%, 66.7%, 0%)
CIE-LAB	lab(97.10, -21.02, 76.90)
CIE-LCH	lch(97.10, 79.73, 105.29°)
OKLab	oklab(96.78% -0.0651 0.1721)
OKLCH	oklch(96.78% 0.184 110.7)
XYZ	xyz(77.1858, 92.6871, 22.4170)
Luminance	0.9268 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBFF55 #5955FF

analogous

#FFAE55 #FBFF55 #A6FF55

triadic

#FBFF55 #55FBFF #FF55FB

tetradic

#FBFF55 #55FFAE #5955FF #FF55A6

square

#FBFF55 #55FFAE #5955FF #FF55A6

split-complementary

#FBFF55 #55A6FF #AE55FF

monochromatic

#D4DA00 #FAFF18 #FBFF55 #FCFF92 #FEFFCF

Accessibility & contrast

On white

1.07

#FBFF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.54

#FBFF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBFF55

19.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBFF55	#FFFFFF	#000000	##000000
##FBFF55	1.00	1.07	19.54	19.54
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.54	21.00	1.00	1.00
##000000	19.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF43B

Deuteranopia (green-blind)

#FFF961

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fbff55;
/* rgb */ color: rgb(251, 255, 85);
/* oklch */ color: oklch(96.8% 0.184 110.7);

Tailwind

colors: {
  custom: {
    50: '#ffff8e',
    500: '#fbff55',
    950: '#000000',
  },
}

SCSS

$custom: #fbff55;
$custom-light: #ffff8e;
$custom-dark: #000000;

JSON

{
  "hex": "#fbff55",
  "rgb": {
    "r": 251,
    "g": 255,
    "b": 85
  },
  "hsl": {
    "h": 61.412,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.96777,
    "c": 0.18399,
    "h": 110.7
  },
  "luminance": 0.92685
}

Semantic roles & 50–950 ramp

primary

#FBFF55

secondary

#2925D3

accent

#00E605

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #FBFF55

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

Preview Lab → · Contrast checker → · Palette generator →