#ECFA81#ECFA81

#ECFA81 is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.0% C 0.146 H 114.7°. Best body text is #000000 at 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#ECFA81
RGB	rgb(236, 250, 129)
HSL	hsl(67, 92%, 74%)
HSV	hsv(67, 48%, 98%)
CMYK	cmyk(5.6%, 0%, 48.4%, 2%)
CIE-LAB	lab(95.07, -21.41, 55.98)
CIE-LCH	lch(95.07, 59.93, 110.93°)
OKLab	oklab(95.01% -0.061 0.1329)
OKLCH	oklch(95.01% 0.146 114.7)
XYZ	xyz(72.7412, 87.7901, 33.8778)
Luminance	0.8779 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFA81 #8F81FA

analogous

#FACC81 #ECFA81 #B0FA81

triadic

#ECFA81 #81ECFA #FA81EC

tetradic

#ECFA81 #81FACC #8F81FA #FA81B0

square

#ECFA81 #81FACC #8F81FA #FA81B0

split-complementary

#ECFA81 #81B0FA #CC81FA

monochromatic

#DAF50B #E3F846 #ECFA81 #F5FCBC #FBFEE2

Accessibility & contrast

On white

1.13

#ECFA81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.56

#ECFA81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFA81

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFA81	#FFFFFF	#000000	##000000
##ECFA81	1.00	1.13	18.56	18.56
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.56	21.00	1.00	1.00
##000000	18.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF076

Deuteranopia (green-blind)

#FFF287

Tritanopia (blue-blind)

#F8EEDE

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfa81;
/* rgb */ color: rgb(236, 250, 129);
/* oklch */ color: oklch(95.0% 0.146 114.7);

Tailwind

colors: {
  custom: {
    50: '#f4fba8',
    500: '#ecfa81',
    950: '#000000',
  },
}

SCSS

$custom: #ecfa81;
$custom-light: #f4fba8;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfa81",
  "rgb": {
    "r": 236,
    "g": 250,
    "b": 129
  },
  "hsl": {
    "h": 66.942,
    "s": 92.366,
    "l": 74.314
  },
  "oklch": {
    "l": 0.95007,
    "c": 0.14626,
    "h": 114.7
  },
  "luminance": 0.87789
}

Semantic roles & 50–950 ramp

primary

#ECFA81

secondary

#5848D8

accent

#00E61B

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECFA81

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

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