#F3EE63#F3EE63

#F3EE63 is a very light, vivid yellow. Relative luminance 0.811; OKLCH L 92.7% C 0.159 H 107.2°. Best body text is #000000 at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#F3EE63
RGB	rgb(243, 238, 99)
HSL	hsl(58, 86%, 67%)
HSV	hsv(58, 59%, 95%)
CMYK	cmyk(0%, 2.1%, 59.3%, 4.7%)
CIE-LAB	lab(92.18, -15.21, 66.07)
CIE-LCH	lch(92.18, 67.80, 102.96°)
OKLab	oklab(92.73% -0.0468 0.1514)
OKLCH	oklch(92.73% 0.159 107.2)
XYZ	xyz(69.7910, 81.1067, 23.7808)
Luminance	0.8111 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EE63 #6368F3

analogous

#F3A663 #F3EE63 #B0F363

triadic

#F3EE63 #63F3EE #EE63F3

tetradic

#F3EE63 #63F3A6 #6368F3 #F363B0

square

#F3EE63 #63F3A6 #6368F3 #F363B0

split-complementary

#F3EE63 #63B0F3 #A663F3

monochromatic

#CCC510 #EFE82A #F3EE63 #F7F49C #FCFAD5

Accessibility & contrast

On white

1.22

#F3EE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.22

#F3EE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EE63

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EE63	#FFFFFF	#000000	##000000
##F3EE63	1.00	1.22	17.22	17.22
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.22	21.00	1.00	1.00
##000000	17.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE553

Deuteranopia (green-blind)

#FFEB6B

Tritanopia (blue-blind)

#FFE0D0

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #f3ee63;
/* rgb */ color: rgb(243, 238, 99);
/* oklch */ color: oklch(92.7% 0.159 107.2);

Tailwind

colors: {
  custom: {
    50: '#faf395',
    500: '#f3ee63',
    950: '#000000',
  },
}

SCSS

$custom: #f3ee63;
$custom-light: #faf395;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ee63",
  "rgb": {
    "r": 243,
    "g": 238,
    "b": 99
  },
  "hsl": {
    "h": 57.917,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.92733,
    "c": 0.1585,
    "h": 107.2
  },
  "luminance": 0.81105
}

Semantic roles & 50–950 ramp

primary

#F3EE63

secondary

#3237C8

accent

#0BE203

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3EE63

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

Preview Lab → · Contrast checker → · Palette generator →