#ECFF73#ECFF73

#ECFF73 is a very light, vivid yellow. Relative luminance 0.906; OKLCH L 95.9% C 0.165 H 116.0°. Best body text is #000000 at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF73
RGB	rgb(236, 255, 115)
HSL	hsl(68, 100%, 73%)
HSV	hsv(68, 55%, 100%)
CMYK	cmyk(7.5%, 0%, 54.9%, 0%)
CIE-LAB	lab(96.24, -24.97, 63.62)
CIE-LCH	lch(96.24, 68.35, 111.43°)
OKLab	oklab(95.9% -0.0724 0.1482)
OKLCH	oklch(95.9% 0.165 116)
XYZ	xyz(73.4479, 90.5916, 29.8330)
Luminance	0.9059 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF73 #8673FF

analogous

#FFCC73 #ECFF73 #A6FF73

triadic

#ECFF73 #73ECFF #FF73EC

tetradic

#ECFF73 #73FFCC #8673FF #FF73A6

square

#ECFF73 #73FFCC #8673FF #FF73A6

split-complementary

#ECFF73 #73A6FF #CC73FF

monochromatic

#D6F800 #E4FF36 #ECFF73 #F4FFB0 #FBFFE0

Accessibility & contrast

On white

1.10

#ECFF73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.12

#ECFF73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF73

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF73	#FFFFFF	#000000	##000000
##ECFF73	1.00	1.10	19.12	19.12
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.12	21.00	1.00	1.00
##000000	19.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF365

Deuteranopia (green-blind)

#FFF57B

Tritanopia (blue-blind)

#F9F2E0

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecff73;
/* rgb */ color: rgb(236, 255, 115);
/* oklch */ color: oklch(95.9% 0.165 116.0);

Tailwind

colors: {
  custom: {
    50: '#f5ff9f',
    500: '#ecff73',
    950: '#000000',
  },
}

SCSS

$custom: #ecff73;
$custom-light: #f5ff9f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff73",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 115
  },
  "hsl": {
    "h": 68.143,
    "s": 100,
    "l": 72.549
  },
  "oklch": {
    "l": 0.95896,
    "c": 0.16494,
    "h": 116
  },
  "luminance": 0.90591
}

Semantic roles & 50–950 ramp

primary

#ECFF73

secondary

#503ADC

accent

#00E61F

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17180F

muted

#858680

Preview Lab

Preview with #ECFF73

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

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