#FBF663#FBF663

#FBF663 is a very light, vivid yellow. Relative luminance 0.873; OKLCH L 95.0% C 0.165 H 107.3°. Best body text is #000000 at 18.46:1 contrast (WCAG AA passes).

Color values

HEX	#FBF663
RGB	rgb(251, 246, 99)
HSL	hsl(58, 95%, 69%)
HSV	hsv(58, 61%, 98%)
CMYK	cmyk(0%, 2%, 60.6%, 1.6%)
CIE-LAB	lab(94.88, -15.89, 69.18)
CIE-LCH	lch(94.88, 70.98, 102.93°)
OKLab	oklab(95.03% -0.0492 0.1578)
OKLCH	oklch(95.03% 0.165 107.3)
XYZ	xyz(74.9940, 87.3239, 24.7068)
Luminance	0.8732 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBF663 #6368FB

analogous

#FBAA63 #FBF663 #B4FB63

triadic

#FBF663 #63FBF6 #F663FB

tetradic

#FBF663 #63FBAA #6368FB #FB63B4

square

#FBF663 #63FBAA #6368FB #FB63B4

split-complementary

#FBF663 #63B4FB #AA63FB

monochromatic

#DED706 #F9F327 #FBF663 #FDF99F #FEFDDA

Accessibility & contrast

On white

1.14

#FBF663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.46

#FBF663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBF663

18.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBF663	#FFFFFF	#000000	##000000
##FBF663	1.00	1.14	18.46	18.46
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.46	21.00	1.00	1.00
##000000	18.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED51

Deuteranopia (green-blind)

#FFF36C

Tritanopia (blue-blind)

#FFE7D7

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fbf663;
/* rgb */ color: rgb(251, 246, 99);
/* oklch */ color: oklch(95.0% 0.165 107.3);

Tailwind

colors: {
  custom: {
    50: '#fff895',
    500: '#fbf663',
    950: '#000000',
  },
}

SCSS

$custom: #fbf663;
$custom-light: #fff895;
$custom-dark: #000000;

JSON

{
  "hex": "#fbf663",
  "rgb": {
    "r": 251,
    "g": 246,
    "b": 99
  },
  "hsl": {
    "h": 58.026,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.95034,
    "c": 0.16532,
    "h": 107.3
  },
  "luminance": 0.87322
}

Semantic roles & 50–950 ramp

primary

#FBF663

secondary

#2D33D5

accent

#08E600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #FBF663

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

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