#ECF480#ECF480

#ECF480 is a very light, vivid yellow. Relative luminance 0.841; OKLCH L 93.7% C 0.140 H 112.3°. Best body text is #000000 at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#ECF480
RGB	rgb(236, 244, 128)
HSL	hsl(64, 84%, 73%)
HSV	hsv(64, 48%, 96%)
CMYK	cmyk(3.3%, 0%, 47.5%, 4.3%)
CIE-LAB	lab(93.49, -18.61, 54.55)
CIE-LCH	lch(93.49, 57.63, 108.84°)
OKLab	oklab(93.74% -0.0532 0.1297)
OKLCH	oklch(93.74% 0.14 112.3)
XYZ	xyz(70.8403, 84.0940, 32.9179)
Luminance	0.8409 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF480 #8880F4

analogous

#F4C280 #ECF480 #B2F480

triadic

#ECF480 #80ECF4 #F480EC

tetradic

#ECF480 #80F4C2 #8880F4 #F480B2

square

#ECF480 #80F4C2 #8880F4 #F480B2

split-complementary

#ECF480 #80B2F4 #C280F4

monochromatic

#D7E614 #E4EF48 #ECF480 #F4F9B8 #FBFDE3

Accessibility & contrast

On white

1.18

#ECF480 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.82

#ECF480 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF480

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF480	#FFFFFF	#000000	##000000
##ECF480	1.00	1.18	17.82	17.82
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.82	21.00	1.00	1.00
##000000	17.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB76

Deuteranopia (green-blind)

#FFEE86

Tritanopia (blue-blind)

#F9E8D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf480;
/* rgb */ color: rgb(236, 244, 128);
/* oklch */ color: oklch(93.7% 0.140 112.3);

Tailwind

colors: {
  custom: {
    50: '#f4f7a7',
    500: '#ecf480',
    950: '#000000',
  },
}

SCSS

$custom: #ecf480;
$custom-light: #f4f7a7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf480",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 128
  },
  "hsl": {
    "h": 64.138,
    "s": 84.058,
    "l": 72.941
  },
  "oklch": {
    "l": 0.93741,
    "c": 0.14016,
    "h": 112.3
  },
  "luminance": 0.84093
}

Semantic roles & 50–950 ramp

primary

#ECF480

secondary

#5248D0

accent

#05E114

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#171710

muted

#858580

Preview Lab

Preview with #ECF480

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

Preview Lab → · Contrast checker → · Palette generator →