#ECF190#ECF190

#ECF190 is a very light, vivid yellow. Relative luminance 0.828; OKLCH L 93.3% C 0.120 H 111.1°. Best body text is #000000 at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#ECF190
RGB	rgb(236, 241, 144)
HSL	hsl(63, 78%, 75%)
HSV	hsv(63, 40%, 95%)
CMYK	cmyk(2.1%, 0%, 40.2%, 5.5%)
CIE-LAB	lab(92.91, -15.58, 46.21)
CIE-LCH	lch(92.91, 48.77, 108.64°)
OKLab	oklab(93.34% -0.0432 0.1122)
OKLCH	oklch(93.34% 0.12 111.1)
XYZ	xyz(71.0823, 82.7583, 38.6096)
Luminance	0.8276 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF190 #9590F1

analogous

#F1C590 #ECF190 #BBF190

triadic

#ECF190 #90ECF1 #F190EC

tetradic

#ECF190 #90F1C5 #9590F1 #F190BB

square

#ECF190 #90F1C5 #9590F1 #F190BB

split-complementary

#ECF190 #90BBF1 #C590F1

monochromatic

#D9E323 #E3EA5A #ECF190 #F5F8C6 #FAFCE4

Accessibility & contrast

On white

1.20

#ECF190 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.55

#ECF190 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF190

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF190	#FFFFFF	#000000	##000000
##ECF190	1.00	1.20	17.55	17.55
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.55	21.00	1.00	1.00
##000000	17.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE988

Deuteranopia (green-blind)

#FFEC94

Tritanopia (blue-blind)

#F8E6D9

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf190;
/* rgb */ color: rgb(236, 241, 144);
/* oklch */ color: oklch(93.3% 0.120 111.1);

Tailwind

colors: {
  custom: {
    50: '#f3f5b2',
    500: '#ecf190',
    950: '#000000',
  },
}

SCSS

$custom: #ecf190;
$custom-light: #f3f5b2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf190",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 144
  },
  "hsl": {
    "h": 63.093,
    "s": 77.6,
    "l": 75.49
  },
  "oklch": {
    "l": 0.93341,
    "c": 0.1202,
    "h": 111.1
  },
  "luminance": 0.82757
}

Semantic roles & 50–950 ramp

primary

#ECF190

secondary

#5E58CD

accent

#0CDA16

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF190

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

Preview Lab → · Contrast checker → · Palette generator →