#ECFC81#ECFC81

#ECFC81 is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.4% C 0.149 H 115.4°. Best body text is #000000 at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC81
RGB	rgb(236, 252, 129)
HSL	hsl(68, 95%, 75%)
HSV	hsv(68, 49%, 99%)
CMYK	cmyk(6.3%, 0%, 48.8%, 1.2%)
CIE-LAB	lab(95.60, -22.36, 56.61)
CIE-LCH	lch(95.60, 60.87, 111.56°)
OKLab	oklab(95.43% -0.0637 0.1343)
OKLCH	oklch(95.43% 0.149 115.4)
XYZ	xyz(73.3660, 89.0396, 34.0861)
Luminance	0.8904 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC81 #9181FC

analogous

#FCCF81 #ECFC81 #AFFC81

triadic

#ECFC81 #81ECFC #FC81EC

tetradic

#ECFC81 #81FCCF #9181FC #FC81AF

square

#ECFC81 #81FCCF #9181FC #FC81AF

split-complementary

#ECFC81 #81AFFC #CF81FC

monochromatic

#DAF909 #E3FB45 #ECFC81 #F5FDBD #FAFEE1

Accessibility & contrast

On white

1.12

#ECFC81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.81

#ECFC81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC81

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC81	#FFFFFF	#000000	##000000
##ECFC81	1.00	1.12	18.81	18.81
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.81	21.00	1.00	1.00
##000000	18.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF176

Deuteranopia (green-blind)

#FFF388

Tritanopia (blue-blind)

#F8F0E0

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfc81;
/* rgb */ color: rgb(236, 252, 129);
/* oklch */ color: oklch(95.4% 0.149 115.4);

Tailwind

colors: {
  custom: {
    50: '#f4fda8',
    500: '#ecfc81',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc81;
$custom-light: #f4fda8;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc81",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 129
  },
  "hsl": {
    "h": 67.805,
    "s": 95.349,
    "l": 74.706
  },
  "oklch": {
    "l": 0.95427,
    "c": 0.14864,
    "h": 115.4
  },
  "luminance": 0.89039
}

Semantic roles & 50–950 ramp

primary

#ECFC81

secondary

#5A47DA

accent

#00E61E

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECFC81

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

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