#FFE166#FFE166

#FFE166 is a very light, vivid yellow. Relative luminance 0.761; OKLCH L 91.2% C 0.145 H 95.7°. Best body text is #000000 at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#FFE166
RGB	rgb(255, 225, 102)
HSL	hsl(48, 100%, 70%)
HSV	hsv(48, 60%, 100%)
CMYK	cmyk(0%, 11.8%, 60%, 0%)
CIE-LAB	lab(89.89, -3.69, 62.55)
CIE-LCH	lch(89.89, 62.66, 93.37°)
OKLab	oklab(91.17% -0.0143 0.144)
OKLCH	oklch(91.17% 0.145 95.7)
XYZ	xyz(70.5665, 76.0731, 23.5344)
Luminance	0.7607 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFE166 #6684FF

analogous

#FF9466 #FFE166 #D1FF66

triadic

#FFE166 #66FFE1 #E166FF

tetradic

#FFE166 #66FF94 #6684FF #FF66D1

square

#FFE166 #66FF94 #6684FF #FF66D1

split-complementary

#FFE166 #66D1FF #9466FF

monochromatic

#EBBD00 #FFD529 #FFE166 #FFEDA3 #FFF9E0

Accessibility & contrast

On white

1.30

#FFE166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.21

#FFE166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFE166

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFE166	#FFFFFF	#000000	##000000
##FFE166	1.00	1.30	16.21	16.21
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.21	21.00	1.00	1.00
##000000	16.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DD59

Deuteranopia (green-blind)

#FDE66C

Tritanopia (blue-blind)

#FFD2C6

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #ffe166;
/* rgb */ color: rgb(255, 225, 102);
/* oklch */ color: oklch(91.2% 0.145 95.7);

Tailwind

colors: {
  custom: {
    50: '#ffea96',
    500: '#ffe166',
    950: '#000000',
  },
}

SCSS

$custom: #ffe166;
$custom-light: #ffea96;
$custom-dark: #000000;

JSON

{
  "hex": "#ffe166",
  "rgb": {
    "r": 255,
    "g": 225,
    "b": 102
  },
  "hsl": {
    "h": 48.235,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.91166,
    "c": 0.14474,
    "h": 95.7
  },
  "luminance": 0.7607
}

Semantic roles & 50–950 ramp

primary

#FFE166

secondary

#2F51DA

accent

#2DE600

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#19160E

muted

#87847F

Preview Lab

Preview with #FFE166

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

Preview Lab → · Contrast checker → · Palette generator →