#FBFF5A#FBFF5A

#FBFF5A is a very light, vivid yellow. Relative luminance 0.928; OKLCH L 96.8% C 0.181 H 110.7°. Best body text is #000000 at 19.55:1 contrast (WCAG AA passes).

Color values

HEX	#FBFF5A
RGB	rgb(251, 255, 90)
HSL	hsl(61, 100%, 68%)
HSV	hsv(61, 65%, 100%)
CMYK	cmyk(1.6%, 0%, 64.7%, 0%)
CIE-LAB	lab(97.13, -20.75, 75.09)
CIE-LCH	lch(97.13, 77.90, 105.45°)
OKLab	oklab(96.82% -0.0638 0.169)
OKLCH	oklch(96.82% 0.181 110.7)
XYZ	xyz(77.3915, 92.7694, 23.5004)
Luminance	0.9277 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBFF5A #5E5AFF

analogous

#FFB15A #FBFF5A #A8FF5A

triadic

#FBFF5A #5AFBFF #FF5AFB

tetradic

#FBFF5A #5AFFB1 #5E5AFF #FF5AA8

square

#FBFF5A #5AFFB1 #5E5AFF #FF5AA8

split-complementary

#FBFF5A #5AA8FF #B15AFF

monochromatic

#D9DF00 #FAFF1D #FBFF5A #FCFF97 #FEFFD4

Accessibility & contrast

On white

1.07

#FBFF5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.55

#FBFF5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBFF5A

19.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBFF5A	#FFFFFF	#000000	##000000
##FBFF5A	1.00	1.07	19.55	19.55
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.55	21.00	1.00	1.00
##000000	19.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF443

Deuteranopia (green-blind)

#FFF965

Tritanopia (blue-blind)

#FFF0DE

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fbff5a;
/* rgb */ color: rgb(251, 255, 90);
/* oklch */ color: oklch(96.8% 0.181 110.7);

Tailwind

colors: {
  custom: {
    50: '#ffff91',
    500: '#fbff5a',
    950: '#000000',
  },
}

SCSS

$custom: #fbff5a;
$custom-light: #ffff91;
$custom-dark: #000000;

JSON

{
  "hex": "#fbff5a",
  "rgb": {
    "r": 251,
    "g": 255,
    "b": 90
  },
  "hsl": {
    "h": 61.455,
    "s": 100,
    "l": 67.647
  },
  "oklch": {
    "l": 0.96815,
    "c": 0.18069,
    "h": 110.7
  },
  "luminance": 0.92767
}

Semantic roles & 50–950 ramp

primary

#FBFF5A

secondary

#2A26D7

accent

#00E606

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #FBFF5A

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

Preview Lab → · Contrast checker → · Palette generator →