#F5EC66#F5EC66

#F5EC66 is a very light, vivid yellow. Relative luminance 0.804; OKLCH L 92.5% C 0.154 H 105.4°. Best body text is #000000 at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#F5EC66
RGB	rgb(245, 236, 102)
HSL	hsl(56, 88%, 68%)
HSV	hsv(56, 58%, 96%)
CMYK	cmyk(0%, 3.7%, 58.4%, 3.9%)
CIE-LAB	lab(91.85, -13.22, 64.48)
CIE-LCH	lch(91.85, 65.82, 101.58°)
OKLab	oklab(92.52% -0.041 0.1484)
OKLCH	oklch(92.52% 0.154 105.4)
XYZ	xyz(70.0522, 80.3650, 24.3897)
Luminance	0.8036 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5EC66 #666FF5

analogous

#F5A466 #F5EC66 #B6F566

triadic

#F5EC66 #66F5EC #EC66F5

tetradic

#F5EC66 #66F5A4 #666FF5 #F566B6

square

#F5EC66 #66F5A4 #666FF5 #F566B6

split-complementary

#F5EC66 #66B6F5 #A466F5

monochromatic

#D3C60E #F1E52D #F5EC66 #F9F39F #FDFAD9

Accessibility & contrast

On white

1.23

#F5EC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.07

#F5EC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5EC66

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5EC66	#FFFFFF	#000000	##000000
##F5EC66	1.00	1.23	17.07	17.07
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.07	21.00	1.00	1.00
##000000	17.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE457

Deuteranopia (green-blind)

#FFEA6D

Tritanopia (blue-blind)

#FFDECF

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #f5ec66;
/* rgb */ color: rgb(245, 236, 102);
/* oklch */ color: oklch(92.5% 0.154 105.4);

Tailwind

colors: {
  custom: {
    50: '#fbf196',
    500: '#f5ec66',
    950: '#000000',
  },
}

SCSS

$custom: #f5ec66;
$custom-light: #fbf196;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ec66",
  "rgb": {
    "r": 245,
    "g": 236,
    "b": 102
  },
  "hsl": {
    "h": 56.224,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.92517,
    "c": 0.15393,
    "h": 105.4
  },
  "luminance": 0.80363
}

Semantic roles & 50–950 ramp

primary

#F5EC66

secondary

#313BCE

accent

#0FE401

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18160E

muted

#86857F

Preview Lab

Preview with #F5EC66

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

Preview Lab → · Contrast checker → · Palette generator →