#F1E557#F1E557

#F1E557 is a very light, vivid yellow. Relative luminance 0.754; OKLCH L 90.6% C 0.159 H 104.5°. Best body text is #000000 at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#F1E557
RGB	rgb(241, 229, 87)
HSL	hsl(55, 85%, 64%)
HSV	hsv(55, 64%, 95%)
CMYK	cmyk(0%, 5%, 63.9%, 5.5%)
CIE-LAB	lab(89.59, -12.34, 68.19)
CIE-LCH	lch(89.59, 69.29, 100.26°)
OKLab	oklab(90.61% -0.0398 0.1543)
OKLCH	oklch(90.61% 0.159 104.5)
XYZ	xyz(66.0177, 75.4299, 20.0969)
Luminance	0.7543 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F1E557 #5763F1

analogous

#F19857 #F1E557 #B0F157

triadic

#F1E557 #57F1E5 #E557F1

tetradic

#F1E557 #57F198 #5763F1 #F157B0

square

#F1E557 #57F198 #5763F1 #F157B0

split-complementary

#F1E557 #57B0F1 #9857F1

monochromatic

#BEB010 #ECDC1F #F1E557 #F6EE8F #FAF6C8

Accessibility & contrast

On white

1.31

#F1E557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.09

#F1E557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F1E557

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F1E557	#FFFFFF	#000000	##000000
##F1E557	1.00	1.31	16.09	16.09
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.09	21.00	1.00	1.00
##000000	16.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DD45

Deuteranopia (green-blind)

#FCE45F

Tritanopia (blue-blind)

#FFD6C8

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #f1e557;
/* rgb */ color: rgb(241, 229, 87);
/* oklch */ color: oklch(90.6% 0.159 104.5);

Tailwind

colors: {
  custom: {
    50: '#f9ec8d',
    500: '#f1e557',
    950: '#000000',
  },
}

SCSS

$custom: #f1e557;
$custom-light: #f9ec8d;
$custom-dark: #000000;

JSON

{
  "hex": "#f1e557",
  "rgb": {
    "r": 241,
    "g": 229,
    "b": 87
  },
  "hsl": {
    "h": 55.325,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.90605,
    "c": 0.15935,
    "h": 104.5
  },
  "luminance": 0.75428
}

Semantic roles & 50–950 ramp

primary

#F1E557

secondary

#303BBC

accent

#16E104

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #F1E557

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

Preview Lab → · Contrast checker → · Palette generator →