#FBF378#FBF378

#FBF378 is a very light, vivid yellow. Relative luminance 0.860; OKLCH L 94.6% C 0.145 H 105.5°. Best body text is #000000 at 18.19:1 contrast (WCAG AA passes).

Color values

HEX	#FBF378
RGB	rgb(251, 243, 120)
HSL	hsl(56, 94%, 73%)
HSV	hsv(56, 52%, 98%)
CMYK	cmyk(0%, 3.2%, 52.2%, 1.6%)
CIE-LAB	lab(94.30, -12.92, 59.46)
CIE-LCH	lch(94.30, 60.85, 102.26°)
OKLab	oklab(94.64% -0.0386 0.1395)
OKLCH	oklch(94.64% 0.145 105.5)
XYZ	xyz(75.2265, 85.9688, 30.3966)
Luminance	0.8597 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBF378 #7880FB

analogous

#FBB178 #FBF378 #C1FB78

triadic

#FBF378 #78FBF3 #F378FB

tetradic

#FBF378 #78FBB1 #7880FB #FB78C1

square

#FBF378 #78FBB1 #7880FB #FB78C1

split-complementary

#FBF378 #78C1FB #B178FB

monochromatic

#F1E307 #F9EE3D #FBF378 #FDF8B3 #FEFCE1

Accessibility & contrast

On white

1.15

#FBF378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.19

#FBF378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBF378

18.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBF378	#FFFFFF	#000000	##000000
##FBF378	1.00	1.15	18.19	18.19
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.19	21.00	1.00	1.00
##000000	18.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6C

Deuteranopia (green-blind)

#FFF17E

Tritanopia (blue-blind)

#FFE5D7

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fbf378;
/* rgb */ color: rgb(251, 243, 120);
/* oklch */ color: oklch(94.6% 0.145 105.5);

Tailwind

colors: {
  custom: {
    50: '#fff6a2',
    500: '#fbf378',
    950: '#000000',
  },
}

SCSS

$custom: #fbf378;
$custom-light: #fff6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#fbf378",
  "rgb": {
    "r": 251,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 56.336,
    "s": 94.245,
    "l": 72.745
  },
  "oklch": {
    "l": 0.94638,
    "c": 0.1447,
    "h": 105.5
  },
  "luminance": 0.85966
}

Semantic roles & 50–950 ramp

primary

#FBF378

secondary

#3F49D8

accent

#0EE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FBF378

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

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