#ECFF87#ECFF87

#ECFF87 is a very light, vivid yellow. Relative luminance 0.911; OKLCH L 96.1% C 0.146 H 116.6°. Best body text is #000000 at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF87
RGB	rgb(236, 255, 135)
HSL	hsl(70, 100%, 76%)
HSV	hsv(70, 47%, 100%)
CMYK	cmyk(7.5%, 0%, 47.1%, 0%)
CIE-LAB	lab(96.45, -23.23, 54.87)
CIE-LCH	lch(96.45, 59.58, 112.95°)
OKLab	oklab(96.13% -0.0657 0.1309)
OKLCH	oklch(96.13% 0.146 116.6)
XYZ	xyz(74.7261, 91.1029, 36.5650)
Luminance	0.9110 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF87 #9A87FF

analogous

#FFD687 #ECFF87 #B0FF87

triadic

#ECFF87 #87ECFF #FF87EC

tetradic

#ECFF87 #87FFD6 #9A87FF #FF87B0

square

#ECFF87 #87FFD6 #9A87FF #FF87B0

split-complementary

#ECFF87 #87B0FF #D687FF

monochromatic

#D9FF0D #E2FF4A #ECFF87 #F6FFC4 #FAFFE0

Accessibility & contrast

On white

1.09

#ECFF87 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.22

#ECFF87 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF87

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF87	#FFFFFF	#000000	##000000
##ECFF87	1.00	1.09	19.22	19.22
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.22	21.00	1.00	1.00
##000000	19.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF47D

Deuteranopia (green-blind)

#FFF68D

Tritanopia (blue-blind)

#F7F4E3

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecff87;
/* rgb */ color: rgb(236, 255, 135);
/* oklch */ color: oklch(96.1% 0.146 116.6);

Tailwind

colors: {
  custom: {
    50: '#f4ffac',
    500: '#ecff87',
    950: '#000000',
  },
}

SCSS

$custom: #ecff87;
$custom-light: #f4ffac;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff87",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 135
  },
  "hsl": {
    "h": 69.5,
    "s": 100,
    "l": 76.471
  },
  "oklch": {
    "l": 0.96133,
    "c": 0.14647,
    "h": 116.6
  },
  "luminance": 0.91102
}

Semantic roles & 50–950 ramp

primary

#ECFF87

secondary

#624BDF

accent

#00E624

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171810

muted

#858681

Preview Lab

Preview with #ECFF87

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

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