#FBF57B#FBF57B

#FBF57B is a very light, vivid yellow. Relative luminance 0.872; OKLCH L 95.1% C 0.144 H 106.3°. Best body text is #000000 at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#FBF57B
RGB	rgb(251, 245, 123)
HSL	hsl(57, 94%, 73%)
HSV	hsv(57, 51%, 98%)
CMYK	cmyk(0%, 2.4%, 51%, 1.6%)
CIE-LAB	lab(94.84, -13.66, 58.73)
CIE-LCH	lch(94.84, 60.30, 103.09°)
OKLab	oklab(95.08% -0.0404 0.1382)
OKLCH	oklch(95.08% 0.144 106.3)
XYZ	xyz(76.0132, 87.2463, 31.5711)
Luminance	0.8724 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBF57B #7B81FB

analogous

#FBB57B #FBF57B #C1FB7B

triadic

#FBF57B #7BFBF5 #F57BFB

tetradic

#FBF57B #7BFBB5 #7B81FB #FB7BC1

square

#FBF57B #7BFBB5 #7B81FB #FB7BC1

split-complementary

#FBF57B #7BC1FB #B57BFB

monochromatic

#F4E907 #F9F140 #FBF57B #FDFAB6 #FEFDE1

Accessibility & contrast

On white

1.14

#FBF57B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.45

#FBF57B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBF57B

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBF57B	#FFFFFF	#000000	##000000
##FBF57B	1.00	1.14	18.45	18.45
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.45	21.00	1.00	1.00
##000000	18.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED70

Deuteranopia (green-blind)

#FFF381

Tritanopia (blue-blind)

#FFE8D9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fbf57b;
/* rgb */ color: rgb(251, 245, 123);
/* oklch */ color: oklch(95.1% 0.144 106.3);

Tailwind

colors: {
  custom: {
    50: '#fff8a4',
    500: '#fbf57b',
    950: '#000000',
  },
}

SCSS

$custom: #fbf57b;
$custom-light: #fff8a4;
$custom-dark: #000000;

JSON

{
  "hex": "#fbf57b",
  "rgb": {
    "r": 251,
    "g": 245,
    "b": 123
  },
  "hsl": {
    "h": 57.188,
    "s": 94.118,
    "l": 73.333
  },
  "oklch": {
    "l": 0.9508,
    "c": 0.14397,
    "h": 106.3
  },
  "luminance": 0.87244
}

Semantic roles & 50–950 ramp

primary

#FBF57B

secondary

#4249D8

accent

#0BE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FBF57B

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

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