#ECF880#ECF880

#ECF880 is a very light, vivid yellow. Relative luminance 0.865; OKLCH L 94.6% C 0.145 H 113.9°. Best body text is #000000 at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#ECF880
RGB	rgb(236, 248, 128)
HSL	hsl(66, 90%, 74%)
HSV	hsv(66, 48%, 97%)
CMYK	cmyk(4.8%, 0%, 48.4%, 2.7%)
CIE-LAB	lab(94.54, -20.54, 55.80)
CIE-LCH	lch(94.54, 59.46, 110.21°)
OKLab	oklab(94.58% -0.0587 0.1324)
OKLCH	oklch(94.58% 0.145 113.9)
XYZ	xyz(72.0569, 86.5273, 33.3234)
Luminance	0.8653 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF880 #8C80F8

analogous

#F8C880 #ECF880 #B0F880

triadic

#ECF880 #80ECF8 #F880EC

tetradic

#ECF880 #80F8C8 #8C80F8 #F880B0

square

#ECF880 #80F8C8 #8C80F8 #F880B0

split-complementary

#ECF880 #80B0F8 #C880F8

monochromatic

#DAF00D #E3F546 #ECF880 #F5FBBA #FBFDE2

Accessibility & contrast

On white

1.15

#ECF880 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.31

#ECF880 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF880

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF880	#FFFFFF	#000000	##000000
##ECF880	1.00	1.15	18.31	18.31
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.31	21.00	1.00	1.00
##000000	18.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE75

Deuteranopia (green-blind)

#FFF186

Tritanopia (blue-blind)

#F8ECDC

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf880;
/* rgb */ color: rgb(236, 248, 128);
/* oklch */ color: oklch(94.6% 0.145 113.9);

Tailwind

colors: {
  custom: {
    50: '#f4faa7',
    500: '#ecf880',
    950: '#000000',
  },
}

SCSS

$custom: #ecf880;
$custom-light: #f4faa7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf880",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 128
  },
  "hsl": {
    "h": 66,
    "s": 89.552,
    "l": 73.725
  },
  "oklch": {
    "l": 0.94576,
    "c": 0.14485,
    "h": 113.9
  },
  "luminance": 0.86526
}

Semantic roles & 50–950 ramp

primary

#ECF880

secondary

#5547D5

accent

#00E617

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF880

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

Preview Lab → · Contrast checker → · Palette generator →