#F1FF57#F1FF57

#F1FF57 is a very light, vivid yellow. Relative luminance 0.909; OKLCH L 96.0% C 0.185 H 114.0°. Best body text is #000000 at 19.18:1 contrast (WCAG AA passes).

Color values

HEX	#F1FF57
RGB	rgb(241, 255, 87)
HSL	hsl(65, 100%, 67%)
HSV	hsv(65, 66%, 100%)
CMYK	cmyk(5.5%, 0%, 65.9%, 0%)
CIE-LAB	lab(96.37, -24.89, 75.20)
CIE-LCH	lch(96.37, 79.21, 108.32°)
OKLab	oklab(96.02% -0.0752 0.1691)
OKLCH	oklch(96.02% 0.185 114)
XYZ	xyz(73.7579, 90.9103, 22.6770)
Luminance	0.9091 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F1FF57 #6557FF

analogous

#FFB957 #F1FF57 #9DFF57

triadic

#F1FF57 #57F1FF #FF57F1

tetradic

#F1FF57 #57FFB9 #6557FF #FF579D

square

#F1FF57 #57FFB9 #6557FF #FF579D

split-complementary

#F1FF57 #579DFF #B957FF

monochromatic

#C9DC00 #ECFF1A #F1FF57 #F6FF94 #FBFFD1

Accessibility & contrast

On white

1.09

#F1FF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.18

#F1FF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F1FF57

19.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F1FF57	#FFFFFF	#000000	##000000
##F1FF57	1.00	1.09	19.18	19.18
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.18	21.00	1.00	1.00
##000000	19.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF33E

Deuteranopia (green-blind)

#FFF663

Tritanopia (blue-blind)

#FFF1DD

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f1ff57;
/* rgb */ color: rgb(241, 255, 87);
/* oklch */ color: oklch(96.0% 0.185 114.0);

Tailwind

colors: {
  custom: {
    50: '#f9ff8f',
    500: '#f1ff57',
    950: '#000000',
  },
}

SCSS

$custom: #f1ff57;
$custom-light: #f9ff8f;
$custom-dark: #000000;

JSON

{
  "hex": "#f1ff57",
  "rgb": {
    "r": 241,
    "g": 255,
    "b": 87
  },
  "hsl": {
    "h": 65,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.96017,
    "c": 0.18504,
    "h": 114
  },
  "luminance": 0.90909
}

Semantic roles & 50–950 ramp

primary

#F1FF57

secondary

#3426D5

accent

#00E613

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F1FF57

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

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