#F3F557#F3F557

#F3F557 is a very light, vivid yellow. Relative luminance 0.850; 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	#F3F557
RGB	rgb(243, 245, 87)
HSL	hsl(61, 89%, 65%)
HSV	hsv(61, 64%, 96%)
CMYK	cmyk(0.8%, 0%, 64.5%, 3.9%)
CIE-LAB	lab(93.90, -19.34, 72.71)
CIE-LCH	lch(93.90, 75.24, 104.89°)
OKLab	oklab(94.08% -0.0597 0.1638)
OKLCH	oklch(94.08% 0.174 110)
XYZ	xyz(71.3371, 85.0496, 21.6734)
Luminance	0.8505 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F557 #5957F5

analogous

#F5A857 #F3F557 #A4F557

triadic

#F3F557 #57F3F5 #F557F3

tetradic

#F3F557 #57F5A8 #5957F5 #F557A4

square

#F3F557 #57F5A8 #5957F5 #F557A4

split-complementary

#F3F557 #57A4F5 #A857F5

monochromatic

#C3C60C #EFF21D #F3F557 #F7F891 #FBFCCB

Accessibility & contrast

On white

1.17

#F3F557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.01

#F3F557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F557

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F557	#FFFFFF	#000000	##000000
##F3F557	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)

#FFEB41

Deuteranopia (green-blind)

#FFF062

Tritanopia (blue-blind)

#FFE6D5

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f3f557;
/* rgb */ color: rgb(243, 245, 87);
/* oklch */ color: oklch(94.1% 0.174 110.0);

Tailwind

colors: {
  custom: {
    50: '#faf88e',
    500: '#f3f557',
    950: '#000000',
  },
}

SCSS

$custom: #f3f557;
$custom-light: #faf88e;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f557",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 87
  },
  "hsl": {
    "h": 60.759,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.94079,
    "c": 0.17433,
    "h": 110
  },
  "luminance": 0.85048
}

Semantic roles & 50–950 ramp

primary

#F3F557

secondary

#2F2DC3

accent

#00E503

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F557

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

Preview Lab → · Contrast checker → · Palette generator →