#ECFE64#ECFE64

#ECFE64 is a very light, vivid yellow. Relative luminance 0.896; OKLCH L 95.5% C 0.176 H 115.4°. Best body text is #000000 at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#ECFE64
RGB	rgb(236, 254, 100)
HSL	hsl(67, 99%, 69%)
HSV	hsv(67, 61%, 100%)
CMYK	cmyk(7.1%, 0%, 60.6%, 0.4%)
CIE-LAB	lab(95.85, -25.60, 69.49)
CIE-LCH	lch(95.85, 74.05, 110.22°)
OKLab	oklab(95.54% -0.0756 0.1589)
OKLCH	oklch(95.54% 0.176 115.4)
XYZ	xyz(72.3357, 89.6376, 25.5453)
Luminance	0.8964 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFE64 #7664FE

analogous

#FEC364 #ECFE64 #9FFE64

triadic

#ECFE64 #64ECFE #FE64EC

tetradic

#ECFE64 #64FEC3 #7664FE #FE649F

square

#ECFE64 #64FEC3 #7664FE #FE649F

split-complementary

#ECFE64 #649FFE #C364FE

monochromatic

#CBE601 #E5FE27 #ECFE64 #F3FEA1 #FBFFDE

Accessibility & contrast

On white

1.11

#ECFE64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.93

#ECFE64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFE64

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFE64	#FFFFFF	#000000	##000000
##ECFE64	1.00	1.11	18.93	18.93
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.93	21.00	1.00	1.00
##000000	18.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF251

Deuteranopia (green-blind)

#FFF46E

Tritanopia (blue-blind)

#FAF1DE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfe64;
/* rgb */ color: rgb(236, 254, 100);
/* oklch */ color: oklch(95.5% 0.176 115.4);

Tailwind

colors: {
  custom: {
    50: '#f5fe96',
    500: '#ecfe64',
    950: '#000000',
  },
}

SCSS

$custom: #ecfe64;
$custom-light: #f5fe96;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfe64",
  "rgb": {
    "r": 236,
    "g": 254,
    "b": 100
  },
  "hsl": {
    "h": 67.013,
    "s": 98.718,
    "l": 69.412
  },
  "oklch": {
    "l": 0.95537,
    "c": 0.17602,
    "h": 115.4
  },
  "luminance": 0.89637
}

Semantic roles & 50–950 ramp

primary

#ECFE64

secondary

#412DD9

accent

#00E61B

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFE64

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

Preview Lab → · Contrast checker → · Palette generator →