#ECFF89#ECFF89

#ECFF89 is a very light, vivid yellow. Relative luminance 0.912; OKLCH L 96.2% C 0.144 H 116.7°. Best body text is #000000 at 19.23:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF89
RGB	rgb(236, 255, 137)
HSL	hsl(70, 100%, 77%)
HSV	hsv(70, 46%, 100%)
CMYK	cmyk(7.5%, 0%, 46.3%, 0%)
CIE-LAB	lab(96.48, -23.04, 53.97)
CIE-LCH	lch(96.48, 58.68, 113.12°)
OKLab	oklab(96.16% -0.065 0.1291)
OKLCH	oklch(96.16% 0.145 116.7)
XYZ	xyz(74.8682, 91.1597, 37.3136)
Luminance	0.9116 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF89 #9C89FF

analogous

#FFD789 #ECFF89 #B1FF89

triadic

#ECFF89 #89ECFF #FF89EC

tetradic

#ECFF89 #89FFD7 #9C89FF #FF89B1

square

#ECFF89 #89FFD7 #9C89FF #FF89B1

split-complementary

#ECFF89 #89B1FF #D789FF

monochromatic

#D8FF0F #E2FF4C #ECFF89 #F6FFC6 #FAFFE0

Accessibility & contrast

On white

1.09

#ECFF89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.23

#ECFF89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF89

19.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF89	#FFFFFF	#000000	##000000
##ECFF89	1.00	1.09	19.23	19.23
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.23	21.00	1.00	1.00
##000000	19.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF47F

Deuteranopia (green-blind)

#FFF68F

Tritanopia (blue-blind)

#F7F4E3

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecff89;
/* rgb */ color: rgb(236, 255, 137);
/* oklch */ color: oklch(96.2% 0.144 116.7);

Tailwind

colors: {
  custom: {
    50: '#f4ffae',
    500: '#ecff89',
    950: '#000000',
  },
}

SCSS

$custom: #ecff89;
$custom-light: #f4ffae;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff89",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 137
  },
  "hsl": {
    "h": 69.661,
    "s": 100,
    "l": 76.863
  },
  "oklch": {
    "l": 0.96159,
    "c": 0.1445,
    "h": 116.7
  },
  "luminance": 0.91159
}

Semantic roles & 50–950 ramp

primary

#ECFF89

secondary

#644DE0

accent

#00E625

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171810

muted

#858681

Preview Lab

Preview with #ECFF89

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

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