#F1FB58#F1FB58

#F1FB58 is a very light, vivid yellow. Relative luminance 0.884; OKLCH L 95.2% C 0.180 H 112.7°. Best body text is #000000 at 18.68:1 contrast (WCAG AA passes).

Color values

HEX	#F1FB58
RGB	rgb(241, 251, 88)
HSL	hsl(64, 95%, 66%)
HSV	hsv(64, 65%, 98%)
CMYK	cmyk(4%, 0%, 64.9%, 1.6%)
CIE-LAB	lab(95.33, -22.95, 73.75)
CIE-LCH	lch(95.33, 77.24, 107.28°)
OKLab	oklab(95.18% -0.0696 0.1662)
OKLCH	oklch(95.18% 0.18 112.7)
XYZ	xyz(72.5363, 88.4013, 22.4727)
Luminance	0.8840 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F1FB58 #6258FB

analogous

#FBB458 #F1FB58 #A0FB58

triadic

#F1FB58 #58F1FB #FB58F1

tetradic

#F1FB58 #58FBB4 #6258FB #FB58A0

square

#F1FB58 #58FBB4 #6258FB #FB58A0

split-complementary

#F1FB58 #58A0FB #B458FB

monochromatic

#C7D405 #ECFA1C #F1FB58 #F6FC94 #FBFED0

Accessibility & contrast

On white

1.12

#F1FB58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.68

#F1FB58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F1FB58

18.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F1FB58	#FFFFFF	#000000	##000000
##F1FB58	1.00	1.12	18.68	18.68
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.68	21.00	1.00	1.00
##000000	18.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF041

Deuteranopia (green-blind)

#FFF363

Tritanopia (blue-blind)

#FFEDDA

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #f1fb58;
/* rgb */ color: rgb(241, 251, 88);
/* oklch */ color: oklch(95.2% 0.180 112.7);

Tailwind

colors: {
  custom: {
    50: '#f9fc8f',
    500: '#f1fb58',
    950: '#000000',
  },
}

SCSS

$custom: #f1fb58;
$custom-light: #f9fc8f;
$custom-dark: #000000;

JSON

{
  "hex": "#f1fb58",
  "rgb": {
    "r": 241,
    "g": 251,
    "b": 88
  },
  "hsl": {
    "h": 63.681,
    "s": 95.322,
    "l": 66.471
  },
  "oklch": {
    "l": 0.95184,
    "c": 0.18018,
    "h": 112.7
  },
  "luminance": 0.884
}

Semantic roles & 50–950 ramp

primary

#F1FB58

secondary

#3329CE

accent

#00E60E

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F1FB58

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

Preview Lab → · Contrast checker → · Palette generator →