#F3F57B#F3F57B

#F3F57B is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.4% C 0.145 H 109.7°. Best body text is #000000 at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#F3F57B
RGB	rgb(243, 245, 123)
HSL	hsl(61, 86%, 72%)
HSV	hsv(61, 50%, 96%)
CMYK	cmyk(0.8%, 0%, 49.8%, 3.9%)
CIE-LAB	lab(94.22, -16.81, 57.85)
CIE-LCH	lch(94.22, 60.24, 106.20°)
OKLab	oklab(94.44% -0.0489 0.1364)
OKLCH	oklch(94.44% 0.145 109.7)
XYZ	xyz(73.1913, 85.7912, 31.4389)
Luminance	0.8579 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F57B #7D7BF5

analogous

#F5BA7B #F3F57B #B6F57B

triadic

#F3F57B #7BF3F5 #F57BF3

tetradic

#F3F57B #7BF5BA #7D7BF5 #F57BB6

square

#F3F57B #7BF5BA #7D7BF5 #F57BB6

split-complementary

#F3F57B #7BB6F5 #BA7BF5

monochromatic

#E1E411 #EEF142 #F3F57B #F8F9B4 #FCFDE3

Accessibility & contrast

On white

1.16

#F3F57B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.16

#F3F57B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F57B

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F57B	#FFFFFF	#000000	##000000
##F3F57B	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)

#FFEC70

Deuteranopia (green-blind)

#FFF081

Tritanopia (blue-blind)

#FFE8D9

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f3f57b;
/* rgb */ color: rgb(243, 245, 123);
/* oklch */ color: oklch(94.4% 0.145 109.7);

Tailwind

colors: {
  custom: {
    50: '#f9f8a4',
    500: '#f3f57b',
    950: '#000000',
  },
}

SCSS

$custom: #f3f57b;
$custom-light: #f9f8a4;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f57b",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 123
  },
  "hsl": {
    "h": 60.984,
    "s": 85.915,
    "l": 72.157
  },
  "oklch": {
    "l": 0.94436,
    "c": 0.14489,
    "h": 109.7
  },
  "luminance": 0.8579
}

Semantic roles & 50–950 ramp

primary

#F3F57B

secondary

#4644D0

accent

#03E207

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3F57B

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

Preview Lab → · Contrast checker → · Palette generator →