#ECF186#ECF186

#ECF186 is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 93.2% C 0.131 H 111.0°. Best body text is #000000 at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#ECF186
RGB	rgb(236, 241, 134)
HSL	hsl(63, 79%, 74%)
HSV	hsv(63, 44%, 95%)
CMYK	cmyk(2.1%, 0%, 44.4%, 5.5%)
CIE-LAB	lab(92.78, -16.59, 50.86)
CIE-LCH	lch(92.78, 53.50, 108.07°)
OKLab	oklab(93.2% -0.0469 0.122)
OKLCH	oklch(93.2% 0.131 111)
XYZ	xyz(70.3516, 82.4660, 34.7611)
Luminance	0.8246 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF186 #8B86F1

analogous

#F1C086 #ECF186 #B6F186

triadic

#ECF186 #86ECF1 #F186EC

tetradic

#ECF186 #86F1C0 #8B86F1 #F186B6

square

#ECF186 #86F1C0 #8B86F1 #F186B6

split-complementary

#ECF186 #86B6F1 #C086F1

monochromatic

#D9E21A #E3EB4F #ECF186 #F5F7BD #FBFCE4

Accessibility & contrast

On white

1.20

#ECF186 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.49

#ECF186 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF186

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF186	#FFFFFF	#000000	##000000
##ECF186	1.00	1.20	17.49	17.49
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.49	21.00	1.00	1.00
##000000	17.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE97D

Deuteranopia (green-blind)

#FFEC8B

Tritanopia (blue-blind)

#F9E6D8

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf186;
/* rgb */ color: rgb(236, 241, 134);
/* oklch */ color: oklch(93.2% 0.131 111.0);

Tailwind

colors: {
  custom: {
    50: '#f4f5ab',
    500: '#ecf186',
    950: '#000000',
  },
}

SCSS

$custom: #ecf186;
$custom-light: #f4f5ab;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf186",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 134
  },
  "hsl": {
    "h": 62.804,
    "s": 79.259,
    "l": 73.529
  },
  "oklch": {
    "l": 0.93197,
    "c": 0.13069,
    "h": 111
  },
  "luminance": 0.82465
}

Semantic roles & 50–950 ramp

primary

#ECF186

secondary

#554FCD

accent

#0ADC14

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF186

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

Preview Lab → · Contrast checker → · Palette generator →