#ECFB78#ECFB78

#ECFB78 is a very light, vivid yellow. Relative luminance 0.882; OKLCH L 95.1% C 0.156 H 114.8°. Best body text is #000000 at 18.64:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB78
RGB	rgb(236, 251, 120)
HSL	hsl(67, 94%, 73%)
HSV	hsv(67, 52%, 98%)
CMYK	cmyk(6%, 0%, 52.2%, 1.6%)
CIE-LAB	lab(95.24, -22.67, 60.26)
CIE-LCH	lch(95.24, 64.39, 110.62°)
OKLab	oklab(95.11% -0.0654 0.1415)
OKLCH	oklch(95.11% 0.156 114.8)
XYZ	xyz(72.4807, 88.1843, 30.9687)
Luminance	0.8818 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB78 #8778FB

analogous

#FBC878 #ECFB78 #ABFB78

triadic

#ECFB78 #78ECFB #FB78EC

tetradic

#ECFB78 #78FBC8 #8778FB #FB78AB

square

#ECFB78 #78FBC8 #8778FB #FB78AB

split-complementary

#ECFB78 #78ABFB #C878FB

monochromatic

#D7F107 #E4F93D #ECFB78 #F4FDB3 #FBFEE1

Accessibility & contrast

On white

1.13

#ECFB78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.64

#ECFB78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB78

18.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB78	#FFFFFF	#000000	##000000
##ECFB78	1.00	1.13	18.64	18.64
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.64	21.00	1.00	1.00
##000000	18.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF06B

Deuteranopia (green-blind)

#FFF37F

Tritanopia (blue-blind)

#F9EFDE

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb78;
/* rgb */ color: rgb(236, 251, 120);
/* oklch */ color: oklch(95.1% 0.156 114.8);

Tailwind

colors: {
  custom: {
    50: '#f4fca2',
    500: '#ecfb78',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb78;
$custom-light: #f4fca2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb78",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 120
  },
  "hsl": {
    "h": 66.87,
    "s": 94.245,
    "l": 72.745
  },
  "oklch": {
    "l": 0.95109,
    "c": 0.15586,
    "h": 114.8
  },
  "luminance": 0.88183
}

Semantic roles & 50–950 ramp

primary

#ECFB78

secondary

#513FD8

accent

#00E61A

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFB78

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

Preview Lab → · Contrast checker → · Palette generator →