#ECE166#ECE166

#ECE166 is a very light, vivid yellow. Relative luminance 0.726; OKLCH L 89.5% C 0.144 H 104.2°. Best body text is #000000 at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#ECE166
RGB	rgb(236, 225, 102)
HSL	hsl(55, 78%, 66%)
HSV	hsv(55, 57%, 93%)
CMYK	cmyk(0%, 4.7%, 56.8%, 7.5%)
CIE-LAB	lab(88.28, -11.42, 60.30)
CIE-LCH	lch(88.28, 61.37, 100.72°)
OKLab	oklab(89.5% -0.0353 0.1396)
OKLCH	oklch(89.5% 0.144 104.2)
XYZ	xyz(63.9177, 72.6448, 23.2227)
Luminance	0.7264 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE166 #6671EC

analogous

#EC9E66 #ECE166 #B4EC66

triadic

#ECE166 #66ECE1 #E166EC

tetradic

#ECE166 #66EC9E #6671EC #EC66B4

square

#ECE166 #66EC9E #6671EC #EC66B4

split-complementary

#ECE166 #66B4EC #9E66EC

monochromatic

#C0B218 #E5D630 #ECE166 #F3EC9C #FAF6D3

Accessibility & contrast

On white

1.35

#ECE166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.53

#ECE166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE166

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE166	#FFFFFF	#000000	##000000
##ECE166	1.00	1.35	15.53	15.53
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.53	21.00	1.00	1.00
##000000	15.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DA59

Deuteranopia (green-blind)

#F6E06C

Tritanopia (blue-blind)

#FCD3C6

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #ece166;
/* rgb */ color: rgb(236, 225, 102);
/* oklch */ color: oklch(89.5% 0.144 104.2);

Tailwind

colors: {
  custom: {
    50: '#f5ea96',
    500: '#ece166',
    950: '#000000',
  },
}

SCSS

$custom: #ece166;
$custom-light: #f5ea96;
$custom-dark: #000000;

JSON

{
  "hex": "#ece166",
  "rgb": {
    "r": 236,
    "g": 225,
    "b": 102
  },
  "hsl": {
    "h": 55.075,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.89501,
    "c": 0.14402,
    "h": 104.2
  },
  "luminance": 0.72643
}

Semantic roles & 50–950 ramp

primary

#ECE166

secondary

#3843BE

accent

#1CDA0B

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #ECE166

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

Preview Lab → · Contrast checker → · Palette generator →