#ECFF46#ECFF46

#ECFF46 is a very light, vivid yellow. Relative luminance 0.898; OKLCH L 95.5% C 0.197 H 115.4°. Best body text is #000000 at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF46
RGB	rgb(236, 255, 70)
HSL	hsl(66, 100%, 64%)
HSV	hsv(66, 73%, 100%)
CMYK	cmyk(7.5%, 0%, 72.5%, 0%)
CIE-LAB	lab(95.91, -27.73, 80.49)
CIE-LCH	lch(95.91, 85.13, 109.01°)
OKLab	oklab(95.53% -0.0843 0.1777)
OKLCH	oklch(95.53% 0.197 115.4)
XYZ	xyz(71.4595, 89.7962, 19.3612)
Luminance	0.8980 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF46 #5946FF

analogous

#FFB546 #ECFF46 #8FFF46

triadic

#ECFF46 #46ECFF #FF46EC

tetradic

#ECFF46 #46FFB5 #5946FF #FF468F

square

#ECFF46 #46FFB5 #5946FF #FF468F

split-complementary

#ECFF46 #468FFF #B546FF

monochromatic

#B6CB00 #E6FF09 #ECFF46 #F2FF83 #F9FFC0

Accessibility & contrast

On white

1.11

#ECFF46 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.96

#ECFF46 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF46

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF46	#FFFFFF	#000000	##000000
##ECFF46	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)

#FFF21E

Deuteranopia (green-blind)

#FFF556

Tritanopia (blue-blind)

#FBF0DC

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecff46;
/* rgb */ color: rgb(236, 255, 70);
/* oklch */ color: oklch(95.5% 0.197 115.4);

Tailwind

colors: {
  custom: {
    50: '#f6ff86',
    500: '#ecff46',
    950: '#000000',
  },
}

SCSS

$custom: #ecff46;
$custom-light: #f6ff86;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff46",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 70
  },
  "hsl": {
    "h": 66.162,
    "s": 100,
    "l": 63.725
  },
  "oklch": {
    "l": 0.95526,
    "c": 0.19667,
    "h": 115.4
  },
  "luminance": 0.89795
}

Semantic roles & 50–950 ramp

primary

#ECFF46

secondary

#3423C6

accent

#00E618

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #ECFF46

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

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