#ECFF48#ECFF48

#ECFF48 is a very light, vivid yellow. Relative luminance 0.898; OKLCH L 95.5% C 0.196 H 115.4°. Best body text is #000000 at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF48
RGB	rgb(236, 255, 72)
HSL	hsl(66, 100%, 64%)
HSV	hsv(66, 72%, 100%)
CMYK	cmyk(7.5%, 0%, 71.8%, 0%)
CIE-LAB	lab(95.92, -27.64, 79.85)
CIE-LCH	lch(95.92, 84.50, 109.09°)
OKLab	oklab(95.54% -0.0839 0.1767)
OKLCH	oklch(95.54% 0.196 115.4)
XYZ	xyz(71.5237, 89.8219, 19.6992)
Luminance	0.8982 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF48 #5B48FF

analogous

#FFB748 #ECFF48 #90FF48

triadic

#ECFF48 #48ECFF #FF48EC

tetradic

#ECFF48 #48FFB7 #5B48FF #FF4890

square

#ECFF48 #48FFB7 #5B48FF #FF4890

split-complementary

#ECFF48 #4890FF #B748FF

monochromatic

#B7CD00 #E6FF0B #ECFF48 #F2FF85 #F9FFC2

Accessibility & contrast

On white

1.11

#ECFF48 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.96

#ECFF48 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF48

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF48	#FFFFFF	#000000	##000000
##ECFF48	1.00	1.11	18.96	18.96
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.96	21.00	1.00	1.00
##000000	18.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF223

Deuteranopia (green-blind)

#FFF557

Tritanopia (blue-blind)

#FBF0DC

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecff48;
/* rgb */ color: rgb(236, 255, 72);
/* oklch */ color: oklch(95.5% 0.196 115.4);

Tailwind

colors: {
  custom: {
    50: '#f6ff87',
    500: '#ecff48',
    950: '#000000',
  },
}

SCSS

$custom: #ecff48;
$custom-light: #f6ff87;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff48",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 72
  },
  "hsl": {
    "h": 66.23,
    "s": 100,
    "l": 64.118
  },
  "oklch": {
    "l": 0.95538,
    "c": 0.19558,
    "h": 115.4
  },
  "luminance": 0.89821
}

Semantic roles & 50–950 ramp

primary

#ECFF48

secondary

#3423C8

accent

#00E618

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #ECFF48

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

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