#ECF891#ECF891

#ECF891 is a very light, vivid yellow. Relative luminance 0.870; OKLCH L 94.8% C 0.128 H 114.3°. Best body text is #000000 at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#ECF891
RGB	rgb(236, 248, 145)
HSL	hsl(67, 88%, 77%)
HSV	hsv(67, 42%, 97%)
CMYK	cmyk(4.8%, 0%, 41.5%, 2.7%)
CIE-LAB	lab(94.74, -18.88, 48.04)
CIE-LCH	lch(94.74, 51.61, 111.46°)
OKLab	oklab(94.81% -0.0525 0.1163)
OKLCH	oklch(94.81% 0.128 114.3)
XYZ	xyz(73.2710, 87.0129, 39.7178)
Luminance	0.8701 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF891 #9D91F8

analogous

#F8D091 #ECF891 #B9F891

triadic

#ECF891 #91ECF8 #F891EC

tetradic

#ECF891 #91F8D0 #9D91F8 #F891B9

square

#ECF891 #91F8D0 #9D91F8 #F891B9

split-complementary

#ECF891 #91B9F8 #D091F8

monochromatic

#D8F11E #E2F457 #ECF891 #F6FCCB #FAFDE2

Accessibility & contrast

On white

1.14

#ECF891 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.40

#ECF891 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF891

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF891	#FFFFFF	#000000	##000000
##ECF891	1.00	1.14	18.40	18.40
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.40	21.00	1.00	1.00
##000000	18.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF89

Deuteranopia (green-blind)

#FFF196

Tritanopia (blue-blind)

#F7EDDF

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf891;
/* rgb */ color: rgb(236, 248, 145);
/* oklch */ color: oklch(94.8% 0.128 114.3);

Tailwind

colors: {
  custom: {
    50: '#f3fab3',
    500: '#ecf891',
    950: '#000000',
  },
}

SCSS

$custom: #ecf891;
$custom-light: #f3fab3;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf891",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 145
  },
  "hsl": {
    "h": 66.99,
    "s": 88.034,
    "l": 77.059
  },
  "oklch": {
    "l": 0.94808,
    "c": 0.12764,
    "h": 114.3
  },
  "luminance": 0.87012
}

Semantic roles & 50–950 ramp

primary

#ECF891

secondary

#6556D7

accent

#01E51B

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF891

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

Preview Lab → · Contrast checker → · Palette generator →