#FBF379#FBF379

#FBF379 is a very light, vivid yellow. Relative luminance 0.860; OKLCH L 94.6% C 0.144 H 105.4°. Best body text is #000000 at 18.20:1 contrast (WCAG AA passes).

Color values

HEX	#FBF379
RGB	rgb(251, 243, 121)
HSL	hsl(56, 94%, 73%)
HSV	hsv(56, 52%, 98%)
CMYK	cmyk(0%, 3.2%, 51.8%, 1.6%)
CIE-LAB	lab(94.31, -12.84, 59.02)
CIE-LCH	lch(94.31, 60.40, 102.28°)
OKLab	oklab(94.65% -0.0382 0.1386)
OKLCH	oklch(94.65% 0.144 105.4)
XYZ	xyz(75.2875, 85.9932, 30.7179)
Luminance	0.8599 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBF379 #7981FB

analogous

#FBB279 #FBF379 #C2FB79

triadic

#FBF379 #79FBF3 #F379FB

tetradic

#FBF379 #79FBB2 #7981FB #FB79C2

square

#FBF379 #79FBB2 #7981FB #FB79C2

split-complementary

#FBF379 #79C2FB #B279FB

monochromatic

#F2E407 #F9EE3E #FBF379 #FDF8B4 #FEFCE1

Accessibility & contrast

On white

1.15

#FBF379 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.20

#FBF379 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBF379

18.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBF379	#FFFFFF	#000000	##000000
##FBF379	1.00	1.15	18.20	18.20
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.20	21.00	1.00	1.00
##000000	18.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6D

Deuteranopia (green-blind)

#FFF17F

Tritanopia (blue-blind)

#FFE5D7

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fbf379;
/* rgb */ color: rgb(251, 243, 121);
/* oklch */ color: oklch(94.6% 0.144 105.4);

Tailwind

colors: {
  custom: {
    50: '#fff6a3',
    500: '#fbf379',
    950: '#000000',
  },
}

SCSS

$custom: #fbf379;
$custom-light: #fff6a3;
$custom-dark: #000000;

JSON

{
  "hex": "#fbf379",
  "rgb": {
    "r": 251,
    "g": 243,
    "b": 121
  },
  "hsl": {
    "h": 56.308,
    "s": 94.203,
    "l": 72.941
  },
  "oklch": {
    "l": 0.94649,
    "c": 0.14379,
    "h": 105.4
  },
  "luminance": 0.85991
}

Semantic roles & 50–950 ramp

primary

#FBF379

secondary

#404AD8

accent

#0EE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FBF379

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

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