#ECFD78#ECFD78

#ECFD78 is a very light, vivid yellow. Relative luminance 0.894; OKLCH L 95.5% C 0.158 H 115.5°. Best body text is #000000 at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD78
RGB	rgb(236, 253, 120)
HSL	hsl(68, 97%, 73%)
HSV	hsv(68, 53%, 99%)
CMYK	cmyk(6.7%, 0%, 52.6%, 0.8%)
CIE-LAB	lab(95.76, -23.62, 60.87)
CIE-LCH	lch(95.76, 65.30, 111.21°)
OKLab	oklab(95.53% -0.0681 0.1428)
OKLCH	oklch(95.53% 0.158 115.5)
XYZ	xyz(73.1087, 89.4404, 31.1781)
Luminance	0.8944 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD78 #8978FD

analogous

#FDCB78 #ECFD78 #A9FD78

triadic

#ECFD78 #78ECFD #FD78EC

tetradic

#ECFD78 #78FDCB #8978FD #FD78A9

square

#ECFD78 #78FDCB #8978FD #FD78A9

split-complementary

#ECFD78 #78A9FD #CB78FD

monochromatic

#D8F704 #E4FC3C #ECFD78 #F4FEB4 #FBFFE1

Accessibility & contrast

On white

1.11

#ECFD78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.89

#ECFD78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD78

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD78	#FFFFFF	#000000	##000000
##ECFD78	1.00	1.11	18.89	18.89
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.89	21.00	1.00	1.00
##000000	18.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF26B

Deuteranopia (green-blind)

#FFF480

Tritanopia (blue-blind)

#F9F1DF

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfd78;
/* rgb */ color: rgb(236, 253, 120);
/* oklch */ color: oklch(95.5% 0.158 115.5);

Tailwind

colors: {
  custom: {
    50: '#f4fea2',
    500: '#ecfd78',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd78;
$custom-light: #f4fea2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd78",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 120
  },
  "hsl": {
    "h": 67.669,
    "s": 97.08,
    "l": 73.137
  },
  "oklch": {
    "l": 0.95529,
    "c": 0.1582,
    "h": 115.5
  },
  "luminance": 0.89439
}

Semantic roles & 50–950 ramp

primary

#ECFD78

secondary

#533FDA

accent

#00E61D

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFD78

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

Preview Lab → · Contrast checker → · Palette generator →