#F3F57C#F3F57C

#F3F57C is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.4% C 0.144 H 109.7°. Best body text is #000000 at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#F3F57C
RGB	rgb(243, 245, 124)
HSL	hsl(61, 86%, 72%)
HSV	hsv(61, 49%, 96%)
CMYK	cmyk(0.8%, 0%, 49.4%, 3.9%)
CIE-LAB	lab(94.23, -16.72, 57.41)
CIE-LCH	lch(94.23, 59.79, 106.24°)
OKLab	oklab(94.45% -0.0486 0.1355)
OKLCH	oklch(94.45% 0.144 109.7)
XYZ	xyz(73.2543, 85.8164, 31.7702)
Luminance	0.8581 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F57C #7E7CF5

analogous

#F5BB7C #F3F57C #B6F57C

triadic

#F3F57C #7CF3F5 #F57CF3

tetradic

#F3F57C #7CF5BB #7E7CF5 #F57CB6

square

#F3F57C #7CF5BB #7E7CF5 #F57CB6

split-complementary

#F3F57C #7CB6F5 #BB7CF5

monochromatic

#E2E511 #EEF143 #F3F57C #F8F9B5 #FCFDE3

Accessibility & contrast

On white

1.16

#F3F57C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.16

#F3F57C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F57C

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F57C	#FFFFFF	#000000	##000000
##F3F57C	1.00	1.16	18.16	18.16
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.16	21.00	1.00	1.00
##000000	18.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC71

Deuteranopia (green-blind)

#FFF082

Tritanopia (blue-blind)

#FFE8D9

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f3f57c;
/* rgb */ color: rgb(243, 245, 124);
/* oklch */ color: oklch(94.4% 0.144 109.7);

Tailwind

colors: {
  custom: {
    50: '#f9f8a5',
    500: '#f3f57c',
    950: '#000000',
  },
}

SCSS

$custom: #f3f57c;
$custom-light: #f9f8a5;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f57c",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 124
  },
  "hsl": {
    "h": 60.992,
    "s": 85.816,
    "l": 72.353
  },
  "oklch": {
    "l": 0.94448,
    "c": 0.14395,
    "h": 109.7
  },
  "luminance": 0.85815
}

Semantic roles & 50–950 ramp

primary

#F3F57C

secondary

#4745D1

accent

#03E207

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3F57C

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

Preview Lab → · Contrast checker → · Palette generator →