#FBEF63#FBEF63

#FBEF63 is a very light, vivid yellow. Relative luminance 0.831; OKLCH L 93.6% C 0.159 H 104.4°. Best body text is #000000 at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#FBEF63
RGB	rgb(251, 239, 99)
HSL	hsl(55, 95%, 69%)
HSV	hsv(55, 61%, 98%)
CMYK	cmyk(0%, 4.8%, 60.6%, 1.6%)
CIE-LAB	lab(93.08, -12.47, 67.24)
CIE-LCH	lch(93.08, 68.38, 100.51°)
OKLab	oklab(93.6% -0.0395 0.1537)
OKLCH	oklch(93.6% 0.159 104.4)
XYZ	xyz(72.9049, 83.1457, 24.0104)
Luminance	0.8314 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBEF63 #636FFB

analogous

#FBA363 #FBEF63 #BBFB63

triadic

#FBEF63 #63FBEF #EF63FB

tetradic

#FBEF63 #63FBA3 #636FFB #FB63BB

square

#FBEF63 #63FBA3 #636FFB #FB63BB

split-complementary

#FBEF63 #63BBFB #A363FB

monochromatic

#DECD06 #F9E927 #FBEF63 #FDF59F #FEFBDA

Accessibility & contrast

On white

1.19

#FBEF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.63

#FBEF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBEF63

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBEF63	#FFFFFF	#000000	##000000
##FBEF63	1.00	1.19	17.63	17.63
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.63	21.00	1.00	1.00
##000000	17.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE753

Deuteranopia (green-blind)

#FFEE6B

Tritanopia (blue-blind)

#FFE0D1

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #fbef63;
/* rgb */ color: rgb(251, 239, 99);
/* oklch */ color: oklch(93.6% 0.159 104.4);

Tailwind

colors: {
  custom: {
    50: '#fff495',
    500: '#fbef63',
    950: '#000000',
  },
}

SCSS

$custom: #fbef63;
$custom-light: #fff495;
$custom-dark: #000000;

JSON

{
  "hex": "#fbef63",
  "rgb": {
    "r": 251,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 55.263,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.93604,
    "c": 0.15871,
    "h": 104.4
  },
  "luminance": 0.83143
}

Semantic roles & 50–950 ramp

primary

#FBEF63

secondary

#2D3BD5

accent

#12E600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #FBEF63

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

Preview Lab → · Contrast checker → · Palette generator →