#ECF766#ECF766

#ECF766 is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.1% C 0.167 H 113.2°. Best body text is #000000 at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#ECF766
RGB	rgb(236, 247, 102)
HSL	hsl(65, 90%, 68%)
HSV	hsv(65, 59%, 97%)
CMYK	cmyk(4.5%, 0%, 58.7%, 3.1%)
CIE-LAB	lab(94.02, -22.14, 66.68)
CIE-LCH	lch(94.02, 70.26, 108.37°)
OKLab	oklab(94.08% -0.0657 0.1532)
OKLCH	oklch(94.08% 0.167 113.2)
XYZ	xyz(70.2528, 85.3150, 25.3344)
Luminance	0.8531 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF766 #7166F7

analogous

#F7B966 #ECF766 #A3F766

triadic

#ECF766 #66ECF7 #F766EC

tetradic

#ECF766 #66F7B9 #7166F7 #F766A3

square

#ECF766 #66F7B9 #7166F7 #F766A3

split-complementary

#ECF766 #66A3F7 #B966F7

monochromatic

#C8D70B #E5F42C #ECF766 #F3FAA0 #FAFDDA

Accessibility & contrast

On white

1.16

#ECF766 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.06

#ECF766 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF766

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF766	#FFFFFF	#000000	##000000
##ECF766	1.00	1.16	18.06	18.06
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.06	21.00	1.00	1.00
##000000	18.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC55

Deuteranopia (green-blind)

#FFEF6F

Tritanopia (blue-blind)

#FAEAD8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf766;
/* rgb */ color: rgb(236, 247, 102);
/* oklch */ color: oklch(94.1% 0.167 113.2);

Tailwind

colors: {
  custom: {
    50: '#f5f997',
    500: '#ecf766',
    950: '#000000',
  },
}

SCSS

$custom: #ecf766;
$custom-light: #f5f997;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf766",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 102
  },
  "hsl": {
    "h": 64.552,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.94079,
    "c": 0.16673,
    "h": 113.2
  },
  "luminance": 0.85314
}

Semantic roles & 50–950 ramp

primary

#ECF766

secondary

#3D31D0

accent

#00E611

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF766

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

Preview Lab → · Contrast checker → · Palette generator →