#ECFC5E#ECFC5E

#ECFC5E is a very light, vivid yellow. Relative luminance 0.883; OKLCH L 95.1% C 0.178 H 114.8°. Best body text is #000000 at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC5E
RGB	rgb(236, 252, 94)
HSL	hsl(66, 96%, 68%)
HSV	hsv(66, 63%, 99%)
CMYK	cmyk(6.3%, 0%, 62.7%, 1.2%)
CIE-LAB	lab(95.27, -25.04, 71.27)
CIE-LCH	lch(95.27, 75.54, 109.36°)
OKLab	oklab(95.06% -0.0747 0.1619)
OKLCH	oklch(95.06% 0.178 114.8)
XYZ	xyz(71.4246, 88.2630, 23.8614)
Luminance	0.8826 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC5E #6E5EFC

analogous

#FCBD5E #ECFC5E #9DFC5E

triadic

#ECFC5E #5EECFC #FC5EEC

tetradic

#ECFC5E #5EFCBD #6E5EFC #FC5E9D

square

#ECFC5E #5EFCBD #6E5EFC #FC5E9D

split-complementary

#ECFC5E #5E9DFC #BD5EFC

monochromatic

#C6DC04 #E5FB22 #ECFC5E #F3FD9A #FAFED6

Accessibility & contrast

On white

1.13

#ECFC5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.65

#ECFC5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC5E

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC5E	#FFFFFF	#000000	##000000
##ECFC5E	1.00	1.13	18.65	18.65
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.65	21.00	1.00	1.00
##000000	18.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF04A

Deuteranopia (green-blind)

#FFF369

Tritanopia (blue-blind)

#FAEEDB

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfc5e;
/* rgb */ color: rgb(236, 252, 94);
/* oklch */ color: oklch(95.1% 0.178 114.8);

Tailwind

colors: {
  custom: {
    50: '#f5fd93',
    500: '#ecfc5e',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc5e;
$custom-light: #f5fd93;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc5e",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 94
  },
  "hsl": {
    "h": 66.076,
    "s": 96.341,
    "l": 67.843
  },
  "oklch": {
    "l": 0.95061,
    "c": 0.17829,
    "h": 114.8
  },
  "luminance": 0.88262
}

Semantic roles & 50–950 ramp

primary

#ECFC5E

secondary

#3B29D5

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECFC5E

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

Preview Lab → · Contrast checker → · Palette generator →