#F3EF65#F3EF65

#F3EF65 is a very light, vivid yellow. Relative luminance 0.817; OKLCH L 93.0% C 0.158 H 107.6°. Best body text is #000000 at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#F3EF65
RGB	rgb(243, 239, 101)
HSL	hsl(58, 86%, 67%)
HSV	hsv(58, 58%, 95%)
CMYK	cmyk(0%, 1.6%, 58.4%, 4.7%)
CIE-LAB	lab(92.46, -15.56, 65.53)
CIE-LCH	lch(92.46, 67.35, 103.36°)
OKLab	oklab(92.96% -0.0476 0.1505)
OKLCH	oklch(92.96% 0.158 107.6)
XYZ	xyz(70.1798, 81.7294, 24.3879)
Luminance	0.8173 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EF65 #6569F3

analogous

#F3A865 #F3EF65 #B0F365

triadic

#F3EF65 #65F3EF #EF65F3

tetradic

#F3EF65 #65F3A8 #6569F3 #F365B0

square

#F3EF65 #65F3A8 #6569F3 #F365B0

split-complementary

#F3EF65 #65B0F3 #A865F3

monochromatic

#CEC810 #EFE92C #F3EF65 #F7F59E #FCFBD7

Accessibility & contrast

On white

1.21

#F3EF65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.35

#F3EF65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EF65

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EF65	#FFFFFF	#000000	##000000
##F3EF65	1.00	1.21	17.35	17.35
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.35	21.00	1.00	1.00
##000000	17.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE655

Deuteranopia (green-blind)

#FFEC6D

Tritanopia (blue-blind)

#FFE1D1

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #f3ef65;
/* rgb */ color: rgb(243, 239, 101);
/* oklch */ color: oklch(93.0% 0.158 107.6);

Tailwind

colors: {
  custom: {
    50: '#faf496',
    500: '#f3ef65',
    950: '#000000',
  },
}

SCSS

$custom: #f3ef65;
$custom-light: #faf496;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ef65",
  "rgb": {
    "r": 243,
    "g": 239,
    "b": 101
  },
  "hsl": {
    "h": 58.31,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.92958,
    "c": 0.15788,
    "h": 107.6
  },
  "luminance": 0.81727
}

Semantic roles & 50–950 ramp

primary

#F3EF65

secondary

#3337CA

accent

#0AE203

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3EF65

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

Preview Lab → · Contrast checker → · Palette generator →