#ECFF83#ECFF83

#ECFF83 is a very light, vivid yellow. Relative luminance 0.910; OKLCH L 96.1% C 0.150 H 116.5°. Best body text is #000000 at 19.20:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF83
RGB	rgb(236, 255, 131)
HSL	hsl(69, 100%, 76%)
HSV	hsv(69, 49%, 100%)
CMYK	cmyk(7.5%, 0%, 48.6%, 0%)
CIE-LAB	lab(96.41, -23.61, 56.66)
CIE-LCH	lch(96.41, 61.38, 112.62°)
OKLab	oklab(96.08% -0.0671 0.1346)
OKLCH	oklch(96.08% 0.15 116.5)
XYZ	xyz(74.4497, 90.9923, 35.1096)
Luminance	0.9099 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF83 #9683FF

analogous

#FFD483 #ECFF83 #AEFF83

triadic

#ECFF83 #83ECFF #FF83EC

tetradic

#ECFF83 #83FFD4 #9683FF #FF83AE

square

#ECFF83 #83FFD4 #9683FF #FF83AE

split-complementary

#ECFF83 #83AEFF #D483FF

monochromatic

#D9FF09 #E3FF46 #ECFF83 #F5FFC0 #FAFFE0

Accessibility & contrast

On white

1.09

#ECFF83 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.20

#ECFF83 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF83

19.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF83	#FFFFFF	#000000	##000000
##ECFF83	1.00	1.09	19.20	19.20
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.20	21.00	1.00	1.00
##000000	19.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF478

Deuteranopia (green-blind)

#FFF68A

Tritanopia (blue-blind)

#F8F3E2

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecff83;
/* rgb */ color: rgb(236, 255, 131);
/* oklch */ color: oklch(96.1% 0.150 116.5);

Tailwind

colors: {
  custom: {
    50: '#f4ffaa',
    500: '#ecff83',
    950: '#000000',
  },
}

SCSS

$custom: #ecff83;
$custom-light: #f4ffaa;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff83",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 131
  },
  "hsl": {
    "h": 69.194,
    "s": 100,
    "l": 75.686
  },
  "oklch": {
    "l": 0.96082,
    "c": 0.15035,
    "h": 116.5
  },
  "luminance": 0.90992
}

Semantic roles & 50–950 ramp

primary

#ECFF83

secondary

#5F48DF

accent

#00E623

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171810

muted

#858681

Preview Lab

Preview with #ECFF83

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

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