#ECF180#ECF180

#ECF180 is a very light, vivid yellow. Relative luminance 0.823; OKLCH L 93.1% C 0.137 H 111.0°. Best body text is #000000 at 17.46:1 contrast (WCAG AA passes).

Color values

HEX	#ECF180
RGB	rgb(236, 241, 128)
HSL	hsl(63, 80%, 72%)
HSV	hsv(63, 47%, 95%)
CMYK	cmyk(2.1%, 0%, 46.9%, 5.5%)
CIE-LAB	lab(92.71, -17.16, 53.60)
CIE-LCH	lch(92.71, 56.28, 107.75°)
OKLab	oklab(93.12% -0.0491 0.1276)
OKLCH	oklch(93.12% 0.137 111)
XYZ	xyz(69.9449, 82.3033, 32.6194)
Luminance	0.8230 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF180 #8580F1

analogous

#F1BE80 #ECF180 #B3F180

triadic

#ECF180 #80ECF1 #F180EC

tetradic

#ECF180 #80F1BE #8580F1 #F180B3

square

#ECF180 #80F1BE #8580F1 #F180B3

split-complementary

#ECF180 #80B3F1 #BE80F1

monochromatic

#D5DE18 #E4EB49 #ECF180 #F4F7B7 #FBFCE3

Accessibility & contrast

On white

1.20

#ECF180 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.46

#ECF180 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF180

17.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF180	#FFFFFF	#000000	##000000
##ECF180	1.00	1.20	17.46	17.46
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.46	21.00	1.00	1.00
##000000	17.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE876

Deuteranopia (green-blind)

#FFEC86

Tritanopia (blue-blind)

#F9E5D7

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf180;
/* rgb */ color: rgb(236, 241, 128);
/* oklch */ color: oklch(93.1% 0.137 111.0);

Tailwind

colors: {
  custom: {
    50: '#f4f5a7',
    500: '#ecf180',
    950: '#000000',
  },
}

SCSS

$custom: #ecf180;
$custom-light: #f4f5a7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf180",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 128
  },
  "hsl": {
    "h": 62.655,
    "s": 80.142,
    "l": 72.353
  },
  "oklch": {
    "l": 0.93117,
    "c": 0.13671,
    "h": 111
  },
  "luminance": 0.82302
}

Semantic roles & 50–950 ramp

primary

#ECF180

secondary

#4F49CC

accent

#09DC12

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#171710

muted

#858580

Preview Lab

Preview with #ECF180

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

Preview Lab → · Contrast checker → · Palette generator →