#ECFF8A#ECFF8A

#ECFF8A is a very light, vivid yellow. Relative luminance 0.912; OKLCH L 96.2% C 0.143 H 116.8°. Best body text is #000000 at 19.24:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF8A
RGB	rgb(236, 255, 138)
HSL	hsl(70, 100%, 77%)
HSV	hsv(70, 46%, 100%)
CMYK	cmyk(7.5%, 0%, 45.9%, 0%)
CIE-LAB	lab(96.49, -22.95, 53.51)
CIE-LCH	lch(96.49, 58.22, 113.21°)
OKLab	oklab(96.17% -0.0646 0.1281)
OKLCH	oklch(96.17% 0.144 116.8)
XYZ	xyz(74.9403, 91.1885, 37.6931)
Luminance	0.9119 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF8A #9D8AFF

analogous

#FFD88A #ECFF8A #B1FF8A

triadic

#ECFF8A #8AECFF #FF8AEC

tetradic

#ECFF8A #8AFFD8 #9D8AFF #FF8AB1

square

#ECFF8A #8AFFD8 #9D8AFF #FF8AB1

split-complementary

#ECFF8A #8AB1FF #D88AFF

monochromatic

#D8FF10 #E2FF4D #ECFF8A #F6FFC7 #FAFFE0

Accessibility & contrast

On white

1.09

#ECFF8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.24

#ECFF8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF8A

19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF8A	#FFFFFF	#000000	##000000
##ECFF8A	1.00	1.09	19.24	19.24
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.24	21.00	1.00	1.00
##000000	19.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF480

Deuteranopia (green-blind)

#FFF690

Tritanopia (blue-blind)

#F7F4E4

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecff8a;
/* rgb */ color: rgb(236, 255, 138);
/* oklch */ color: oklch(96.2% 0.143 116.8);

Tailwind

colors: {
  custom: {
    50: '#f4ffae',
    500: '#ecff8a',
    950: '#000000',
  },
}

SCSS

$custom: #ecff8a;
$custom-light: #f4ffae;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff8a",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 138
  },
  "hsl": {
    "h": 69.744,
    "s": 100,
    "l": 77.059
  },
  "oklch": {
    "l": 0.96172,
    "c": 0.1435,
    "h": 116.8
  },
  "luminance": 0.91188
}

Semantic roles & 50–950 ramp

primary

#ECFF8A

secondary

#654EE0

accent

#00E625

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171810

muted

#858681

Preview Lab

Preview with #ECFF8A

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

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