#ECFD5E#ECFD5E

#ECFD5E is a very light, vivid yellow. Relative luminance 0.889; OKLCH L 95.3% C 0.179 H 115.1°. Best body text is #000000 at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD5E
RGB	rgb(236, 253, 94)
HSL	hsl(66, 98%, 68%)
HSV	hsv(66, 63%, 99%)
CMYK	cmyk(6.7%, 0%, 62.8%, 0.8%)
CIE-LAB	lab(95.54, -25.51, 71.55)
CIE-LCH	lch(95.54, 75.96, 109.63°)
OKLab	oklab(95.27% -0.076 0.1625)
OKLCH	oklch(95.27% 0.179 115.1)
XYZ	xyz(71.7394, 88.8927, 23.9664)
Luminance	0.8889 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD5E #6F5EFD

analogous

#FDBE5E #ECFD5E #9CFD5E

triadic

#ECFD5E #5EECFD #FD5EEC

tetradic

#ECFD5E #5EFDBE #6F5EFD #FD5E9C

square

#ECFD5E #5EFDBE #6F5EFD #FD5E9C

split-complementary

#ECFD5E #5E9CFD #BE5EFD

monochromatic

#C6DE03 #E5FC22 #ECFD5E #F3FE9A #FAFFD7

Accessibility & contrast

On white

1.12

#ECFD5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.78

#ECFD5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD5E

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD5E	#FFFFFF	#000000	##000000
##ECFD5E	1.00	1.12	18.78	18.78
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.78	21.00	1.00	1.00
##000000	18.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF149

Deuteranopia (green-blind)

#FFF469

Tritanopia (blue-blind)

#FAEFDC

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfd5e;
/* rgb */ color: rgb(236, 253, 94);
/* oklch */ color: oklch(95.3% 0.179 115.1);

Tailwind

colors: {
  custom: {
    50: '#f5fe93',
    500: '#ecfd5e',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd5e;
$custom-light: #f5fe93;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd5e",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 94
  },
  "hsl": {
    "h": 66.415,
    "s": 97.546,
    "l": 68.039
  },
  "oklch": {
    "l": 0.95273,
    "c": 0.17939,
    "h": 115.1
  },
  "luminance": 0.88892
}

Semantic roles & 50–950 ramp

primary

#ECFD5E

secondary

#3B29D7

accent

#00E619

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECFD5E

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

Preview Lab → · Contrast checker → · Palette generator →