#F3EC5B#F3EC5B

#F3EC5B is a very light, vivid yellow. Relative luminance 0.798; OKLCH L 92.2% C 0.163 H 106.5°. Best body text is #000000 at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#F3EC5B
RGB	rgb(243, 236, 91)
HSL	hsl(57, 86%, 65%)
HSV	hsv(57, 63%, 95%)
CMYK	cmyk(0%, 2.9%, 62.6%, 4.7%)
CIE-LAB	lab(91.60, -14.73, 68.74)
CIE-LCH	lch(91.60, 70.30, 102.10°)
OKLab	oklab(92.25% -0.0463 0.156)
OKLCH	oklch(92.25% 0.163 106.5)
XYZ	xyz(68.8483, 79.8032, 21.6724)
Luminance	0.7980 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EC5B #5B62F3

analogous

#F3A05B #F3EC5B #AEF35B

triadic

#F3EC5B #5BF3EC #EC5BF3

tetradic

#F3EC5B #5BF3A0 #5B62F3 #F35BAE

square

#F3EC5B #5BF3A0 #5B62F3 #F35BAE

split-complementary

#F3EC5B #5BAEF3 #A05BF3

monochromatic

#C5BD0E #EFE522 #F3EC5B #F7F394 #FBF9CD

Accessibility & contrast

On white

1.24

#F3EC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.96

#F3EC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EC5B

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EC5B	#FFFFFF	#000000	##000000
##F3EC5B	1.00	1.24	16.96	16.96
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.96	21.00	1.00	1.00
##000000	16.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE449

Deuteranopia (green-blind)

#FFEA64

Tritanopia (blue-blind)

#FFDDCE

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #f3ec5b;
/* rgb */ color: rgb(243, 236, 91);
/* oklch */ color: oklch(92.2% 0.163 106.5);

Tailwind

colors: {
  custom: {
    50: '#faf190',
    500: '#f3ec5b',
    950: '#000000',
  },
}

SCSS

$custom: #f3ec5b;
$custom-light: #faf190;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ec5b",
  "rgb": {
    "r": 243,
    "g": 236,
    "b": 91
  },
  "hsl": {
    "h": 57.237,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.92248,
    "c": 0.16271,
    "h": 106.5
  },
  "luminance": 0.79801
}

Semantic roles & 50–950 ramp

primary

#F3EC5B

secondary

#3037C2

accent

#0DE303

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #F3EC5B

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

Preview Lab → · Contrast checker → · Palette generator →