#FBF389#FBF389

#FBF389 is a very light, vivid yellow. Relative luminance 0.864; OKLCH L 94.9% C 0.128 H 104.8°. Best body text is #000000 at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#FBF389
RGB	rgb(251, 243, 137)
HSL	hsl(56, 93%, 76%)
HSV	hsv(56, 45%, 98%)
CMYK	cmyk(0%, 3.2%, 45.4%, 1.6%)
CIE-LAB	lab(94.49, -11.46, 51.80)
CIE-LCH	lch(94.49, 53.05, 102.47°)
OKLab	oklab(94.85% -0.0327 0.1241)
OKLCH	oklch(94.85% 0.128 104.8)
XYZ	xyz(76.3513, 86.4187, 36.3206)
Luminance	0.8642 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBF389 #8991FB

analogous

#FBBA89 #FBF389 #CAFB89

triadic

#FBF389 #89FBF3 #F389FB

tetradic

#FBF389 #89FBBA #8991FB #FB89CA

square

#FBF389 #89FBBA #8991FB #FB89CA

split-complementary

#FBF389 #89CAFB #BA89FB

monochromatic

#F7E713 #F9ED4E #FBF389 #FDF9C4 #FEFCE1

Accessibility & contrast

On white

1.15

#FBF389 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.28

#FBF389 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBF389

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBF389	#FFFFFF	#000000	##000000
##FBF389	1.00	1.15	18.28	18.28
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.28	21.00	1.00	1.00
##000000	18.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC80

Deuteranopia (green-blind)

#FFF28E

Tritanopia (blue-blind)

#FFE7DA

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fbf389;
/* rgb */ color: rgb(251, 243, 137);
/* oklch */ color: oklch(94.9% 0.128 104.8);

Tailwind

colors: {
  custom: {
    50: '#fef6ad',
    500: '#fbf389',
    950: '#000000',
  },
}

SCSS

$custom: #fbf389;
$custom-light: #fef6ad;
$custom-dark: #000000;

JSON

{
  "hex": "#fbf389",
  "rgb": {
    "r": 251,
    "g": 243,
    "b": 137
  },
  "hsl": {
    "h": 55.789,
    "s": 93.443,
    "l": 76.078
  },
  "oklch": {
    "l": 0.94853,
    "c": 0.12833,
    "h": 104.8
  },
  "luminance": 0.86417
}

Semantic roles & 50–950 ramp

primary

#FBF389

secondary

#4E58DA

accent

#10E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FBF389

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

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