#F3F558#F3F558

#F3F558 is a very light, vivid yellow. Relative luminance 0.851; OKLCH L 94.1% C 0.174 H 110.0°. Best body text is #000000 at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#F3F558
RGB	rgb(243, 245, 88)
HSL	hsl(61, 89%, 65%)
HSV	hsv(61, 64%, 96%)
CMYK	cmyk(0.8%, 0%, 64.1%, 3.9%)
CIE-LAB	lab(93.91, -19.28, 72.34)
CIE-LCH	lch(93.91, 74.86, 104.92°)
OKLab	oklab(94.09% -0.0595 0.1632)
OKLCH	oklch(94.09% 0.174 110)
XYZ	xyz(71.3783, 85.0660, 21.8900)
Luminance	0.8506 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F558 #5A58F5

analogous

#F5A858 #F3F558 #A5F558

triadic

#F3F558 #58F3F5 #F558F3

tetradic

#F3F558 #58F5A8 #5A58F5 #F558A5

square

#F3F558 #58F5A8 #5A58F5 #F558A5

split-complementary

#F3F558 #58A5F5 #A858F5

monochromatic

#C4C70C #EFF21E #F3F558 #F7F892 #FBFCCB

Accessibility & contrast

On white

1.17

#F3F558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.01

#F3F558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F558

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F558	#FFFFFF	#000000	##000000
##F3F558	1.00	1.17	18.01	18.01
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.01	21.00	1.00	1.00
##000000	18.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB42

Deuteranopia (green-blind)

#FFF062

Tritanopia (blue-blind)

#FFE6D5

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f3f558;
/* rgb */ color: rgb(243, 245, 88);
/* oklch */ color: oklch(94.1% 0.174 110.0);

Tailwind

colors: {
  custom: {
    50: '#faf88f',
    500: '#f3f558',
    950: '#000000',
  },
}

SCSS

$custom: #f3f558;
$custom-light: #faf88f;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f558",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 88
  },
  "hsl": {
    "h": 60.764,
    "s": 88.701,
    "l": 65.294
  },
  "oklch": {
    "l": 0.94087,
    "c": 0.17365,
    "h": 110
  },
  "luminance": 0.85064
}

Semantic roles & 50–950 ramp

primary

#F3F558

secondary

#302EC3

accent

#00E503

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F558

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

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