#ECFF6C#ECFF6C

#ECFF6C is a very light, vivid yellow. Relative luminance 0.904; OKLCH L 95.8% C 0.171 H 115.9°. Best body text is #000000 at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF6C
RGB	rgb(236, 255, 108)
HSL	hsl(68, 100%, 71%)
HSV	hsv(68, 58%, 100%)
CMYK	cmyk(7.5%, 0%, 57.6%, 0%)
CIE-LAB	lab(96.18, -25.50, 66.54)
CIE-LCH	lch(96.18, 71.26, 110.97°)
OKLab	oklab(95.82% -0.0746 0.1537)
OKLCH	oklch(95.82% 0.171 115.9)
XYZ	xyz(73.0602, 90.4365, 27.7917)
Luminance	0.9044 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF6C #7F6CFF

analogous

#FFC86C #ECFF6C #A2FF6C

triadic

#ECFF6C #6CECFF #FF6CEC

tetradic

#ECFF6C #6CFFC8 #7F6CFF #FF6CA2

square

#ECFF6C #6CFFC8 #7F6CFF #FF6CA2

split-complementary

#ECFF6C #6CA2FF #C86CFF

monochromatic

#D2F100 #E4FF2F #ECFF6C #F4FFA9 #FBFFE0

Accessibility & contrast

On white

1.10

#ECFF6C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.09

#ECFF6C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF6C

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF6C	#FFFFFF	#000000	##000000
##ECFF6C	1.00	1.10	19.09	19.09
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.09	21.00	1.00	1.00
##000000	19.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF35C

Deuteranopia (green-blind)

#FFF575

Tritanopia (blue-blind)

#F9F2DF

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecff6c;
/* rgb */ color: rgb(236, 255, 108);
/* oklch */ color: oklch(95.8% 0.171 115.9);

Tailwind

colors: {
  custom: {
    50: '#f5ff9b',
    500: '#ecff6c',
    950: '#000000',
  },
}

SCSS

$custom: #ecff6c;
$custom-light: #f5ff9b;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff6c",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 108
  },
  "hsl": {
    "h": 67.755,
    "s": 100,
    "l": 71.176
  },
  "oklch": {
    "l": 0.95824,
    "c": 0.17082,
    "h": 115.9
  },
  "luminance": 0.90436
}

Semantic roles & 50–950 ramp

primary

#ECFF6C

secondary

#4A34DB

accent

#00E61E

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFF6C

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

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