#ECFF79#ECFF79

#ECFF79 is a very light, vivid yellow. Relative luminance 0.907; OKLCH L 96.0% C 0.160 H 116.2°. Best body text is #000000 at 19.15:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF79
RGB	rgb(236, 255, 121)
HSL	hsl(69, 100%, 74%)
HSV	hsv(69, 53%, 100%)
CMYK	cmyk(7.5%, 0%, 52.5%, 0%)
CIE-LAB	lab(96.30, -24.48, 61.05)
CIE-LCH	lch(96.30, 65.78, 111.85°)
OKLab	oklab(95.96% -0.0705 0.1432)
OKLCH	oklch(95.96% 0.16 116.2)
XYZ	xyz(73.8044, 90.7342, 31.7109)
Luminance	0.9073 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF79 #8C79FF

analogous

#FFCF79 #ECFF79 #A9FF79

triadic

#ECFF79 #79ECFF #FF79EC

tetradic

#ECFF79 #79FFCF #8C79FF #FF79A9

square

#ECFF79 #79FFCF #8C79FF #FF79A9

split-complementary

#ECFF79 #79A9FF #CF79FF

monochromatic

#DAFE00 #E3FF3C #ECFF79 #F5FFB6 #FBFFE0

Accessibility & contrast

On white

1.10

#ECFF79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.15

#ECFF79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF79

19.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF79	#FFFFFF	#000000	##000000
##ECFF79	1.00	1.10	19.15	19.15
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.15	21.00	1.00	1.00
##000000	19.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF46C

Deuteranopia (green-blind)

#FFF581

Tritanopia (blue-blind)

#F8F3E1

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecff79;
/* rgb */ color: rgb(236, 255, 121);
/* oklch */ color: oklch(96.0% 0.160 116.2);

Tailwind

colors: {
  custom: {
    50: '#f4ffa3',
    500: '#ecff79',
    950: '#000000',
  },
}

SCSS

$custom: #ecff79;
$custom-light: #f4ffa3;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff79",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 121
  },
  "hsl": {
    "h": 68.507,
    "s": 100,
    "l": 73.725
  },
  "oklch": {
    "l": 0.95962,
    "c": 0.15965,
    "h": 116.2
  },
  "luminance": 0.90733
}

Semantic roles & 50–950 ramp

primary

#ECFF79

secondary

#553FDD

accent

#00E621

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17180F

muted

#858680

Preview Lab

Preview with #ECFF79

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

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