#FBFF59#FBFF59

#FBFF59 is a very light, vivid yellow. Relative luminance 0.927; 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	#FBFF59
RGB	rgb(251, 255, 89)
HSL	hsl(61, 100%, 67%)
HSV	hsv(61, 65%, 100%)
CMYK	cmyk(1.6%, 0%, 65.1%, 0%)
CIE-LAB	lab(97.13, -20.80, 75.46)
CIE-LCH	lch(97.13, 78.27, 105.41°)
OKLab	oklab(96.81% -0.0641 0.1697)
OKLCH	oklch(96.81% 0.181 110.7)
XYZ	xyz(77.3493, 92.7525, 23.2777)
Luminance	0.9275 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBFF59 #5D59FF

analogous

#FFB059 #FBFF59 #A8FF59

triadic

#FBFF59 #59FBFF #FF59FB

tetradic

#FBFF59 #59FFB0 #5D59FF #FF59A8

square

#FBFF59 #59FFB0 #5D59FF #FF59A8

split-complementary

#FBFF59 #59A8FF #B059FF

monochromatic

#D8DE00 #FAFF1C #FBFF59 #FCFF96 #FEFFD3

Accessibility & contrast

On white

1.07

#FBFF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.55

#FBFF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBFF59

19.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBFF59	#FFFFFF	#000000	##000000
##FBFF59	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)

#FFF441

Deuteranopia (green-blind)

#FFF964

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fbff59;
/* rgb */ color: rgb(251, 255, 89);
/* oklch */ color: oklch(96.8% 0.181 110.7);

Tailwind

colors: {
  custom: {
    50: '#ffff90',
    500: '#fbff59',
    950: '#000000',
  },
}

SCSS

$custom: #fbff59;
$custom-light: #ffff90;
$custom-dark: #000000;

JSON

{
  "hex": "#fbff59",
  "rgb": {
    "r": 251,
    "g": 255,
    "b": 89
  },
  "hsl": {
    "h": 61.446,
    "s": 100,
    "l": 67.451
  },
  "oklch": {
    "l": 0.96807,
    "c": 0.18136,
    "h": 110.7
  },
  "luminance": 0.9275
}

Semantic roles & 50–950 ramp

primary

#FBFF59

secondary

#2A26D6

accent

#00E606

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #FBFF59

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

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