#ECFD81#ECFD81

#ECFD81 is a very light, vivid yellow. Relative luminance 0.897; OKLCH L 95.6% C 0.150 H 115.7°. Best body text is #000000 at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD81
RGB	rgb(236, 253, 129)
HSL	hsl(68, 97%, 75%)
HSV	hsv(68, 49%, 99%)
CMYK	cmyk(6.7%, 0%, 49%, 0.8%)
CIE-LAB	lab(95.86, -22.84, 56.92)
CIE-LCH	lch(95.86, 61.33, 111.86°)
OKLab	oklab(95.64% -0.0651 0.135)
OKLCH	oklch(95.64% 0.15 115.7)
XYZ	xyz(73.6808, 89.6693, 34.1910)
Luminance	0.8967 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD81 #9281FD

analogous

#FDD081 #ECFD81 #AEFD81

triadic

#ECFD81 #81ECFD #FD81EC

tetradic

#ECFD81 #81FDD0 #9281FD #FD81AE

square

#ECFD81 #81FDD0 #9281FD #FD81AE

split-complementary

#ECFD81 #81AEFD #D081FD

monochromatic

#DAFB09 #E3FC45 #ECFD81 #F5FEBD #FAFFE1

Accessibility & contrast

On white

1.11

#ECFD81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.93

#ECFD81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD81

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD81	#FFFFFF	#000000	##000000
##ECFD81	1.00	1.11	18.93	18.93
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.93	21.00	1.00	1.00
##000000	18.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF276

Deuteranopia (green-blind)

#FFF488

Tritanopia (blue-blind)

#F8F1E1

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfd81;
/* rgb */ color: rgb(236, 253, 129);
/* oklch */ color: oklch(95.6% 0.150 115.7);

Tailwind

colors: {
  custom: {
    50: '#f4fea8',
    500: '#ecfd81',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd81;
$custom-light: #f4fea8;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd81",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 129
  },
  "hsl": {
    "h": 68.226,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.95636,
    "c": 0.14985,
    "h": 115.7
  },
  "luminance": 0.89668
}

Semantic roles & 50–950 ramp

primary

#ECFD81

secondary

#5B47DC

accent

#00E61F

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECFD81

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

Preview Lab → · Contrast checker → · Palette generator →