#ECF964#ECF964

#ECF964 is a very light, vivid yellow. Relative luminance 0.865; OKLCH L 94.5% C 0.171 H 113.9°. Best body text is #000000 at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#ECF964
RGB	rgb(236, 249, 100)
HSL	hsl(65, 93%, 68%)
HSV	hsv(65, 60%, 98%)
CMYK	cmyk(5.2%, 0%, 59.8%, 2.4%)
CIE-LAB	lab(94.53, -23.23, 68.06)
CIE-LCH	lch(94.53, 71.92, 108.85°)
OKLab	oklab(94.48% -0.069 0.1559)
OKLCH	oklch(94.48% 0.171 113.9)
XYZ	xyz(70.7697, 86.5056, 25.0233)
Luminance	0.8650 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF964 #7164F9

analogous

#F9BB64 #ECF964 #A1F964

triadic

#ECF964 #64ECF9 #F964EC

tetradic

#ECF964 #64F9BB #7164F9 #F964A1

square

#ECF964 #64F9BB #7164F9 #F964A1

split-complementary

#ECF964 #64A1F9 #BB64F9

monochromatic

#C8DA08 #E5F729 #ECF964 #F3FB9F #FAFEDA

Accessibility & contrast

On white

1.15

#ECF964 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.30

#ECF964 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF964

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF964	#FFFFFF	#000000	##000000
##ECF964	1.00	1.15	18.30	18.30
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.30	21.00	1.00	1.00
##000000	18.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE52

Deuteranopia (green-blind)

#FFF16D

Tritanopia (blue-blind)

#FAECDA

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf964;
/* rgb */ color: rgb(236, 249, 100);
/* oklch */ color: oklch(94.5% 0.171 113.9);

Tailwind

colors: {
  custom: {
    50: '#f5fb96',
    500: '#ecf964',
    950: '#000000',
  },
}

SCSS

$custom: #ecf964;
$custom-light: #f5fb96;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf964",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 100
  },
  "hsl": {
    "h": 65.235,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.94481,
    "c": 0.1705,
    "h": 113.9
  },
  "luminance": 0.86504
}

Semantic roles & 50–950 ramp

primary

#ECF964

secondary

#3D2FD2

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF964

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

Preview Lab → · Contrast checker → · Palette generator →