#F1E55B#F1E55B

#F1E55B is a very light, vivid yellow. Relative luminance 0.755; OKLCH L 90.6% C 0.156 H 104.3°. Best body text is #000000 at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#F1E55B
RGB	rgb(241, 229, 91)
HSL	hsl(55, 84%, 65%)
HSV	hsv(55, 62%, 95%)
CMYK	cmyk(0%, 5%, 62.2%, 5.5%)
CIE-LAB	lab(89.63, -12.10, 66.59)
CIE-LCH	lch(89.63, 67.68, 100.30°)
OKLab	oklab(90.64% -0.0387 0.1515)
OKLCH	oklch(90.64% 0.156 104.3)
XYZ	xyz(66.1857, 75.4971, 20.9815)
Luminance	0.7550 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F1E55B #5B67F1

analogous

#F19A5B #F1E55B #B2F15B

triadic

#F1E55B #5BF1E5 #E55BF1

tetradic

#F1E55B #5BF19A #5B67F1 #F15BB2

square

#F1E55B #5BF19A #5B67F1 #F15BB2

split-complementary

#F1E55B #5BB2F1 #9A5BF1

monochromatic

#C1B310 #ECDC23 #F1E55B #F6EE93 #FBF7CC

Accessibility & contrast

On white

1.30

#F1E55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.10

#F1E55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F1E55B

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F1E55B	#FFFFFF	#000000	##000000
##F1E55B	1.00	1.30	16.10	16.10
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.10	21.00	1.00	1.00
##000000	16.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE4A

Deuteranopia (green-blind)

#FCE463

Tritanopia (blue-blind)

#FFD6C8

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #f1e55b;
/* rgb */ color: rgb(241, 229, 91);
/* oklch */ color: oklch(90.6% 0.156 104.3);

Tailwind

colors: {
  custom: {
    50: '#f9ec8f',
    500: '#f1e55b',
    950: '#000000',
  },
}

SCSS

$custom: #f1e55b;
$custom-light: #f9ec8f;
$custom-dark: #000000;

JSON

{
  "hex": "#f1e55b",
  "rgb": {
    "r": 241,
    "g": 229,
    "b": 91
  },
  "hsl": {
    "h": 55.2,
    "s": 84.27,
    "l": 65.098
  },
  "oklch": {
    "l": 0.9064,
    "c": 0.15637,
    "h": 104.3
  },
  "luminance": 0.75495
}

Semantic roles & 50–950 ramp

primary

#F1E55B

secondary

#313DBF

accent

#16E105

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #F1E55B

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

Preview Lab → · Contrast checker → · Palette generator →