#ECF384#ECF384

#ECF384 is a very light, vivid yellow. Relative luminance 0.836; OKLCH L 93.6% C 0.135 H 111.9°. Best body text is #000000 at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#ECF384
RGB	rgb(236, 243, 132)
HSL	hsl(64, 82%, 74%)
HSV	hsv(64, 46%, 95%)
CMYK	cmyk(2.9%, 0%, 45.7%, 4.7%)
CIE-LAB	lab(93.28, -17.76, 52.41)
CIE-LCH	lch(93.28, 55.34, 108.71°)
OKLab	oklab(93.59% -0.0504 0.1253)
OKLCH	oklch(93.59% 0.135 111.9)
XYZ	xyz(70.8087, 83.6012, 34.2319)
Luminance	0.8360 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF384 #8B84F3

analogous

#F3C284 #ECF384 #B4F384

triadic

#ECF384 #84ECF3 #F384EC

tetradic

#ECF384 #84F3C2 #8B84F3 #F384B4

square

#ECF384 #84F3C2 #8B84F3 #F384B4

split-complementary

#ECF384 #84B4F3 #C284F3

monochromatic

#D9E616 #E3EE4C #ECF384 #F5F8BC #FBFCE3

Accessibility & contrast

On white

1.19

#ECF384 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.72

#ECF384 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF384

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF384	#FFFFFF	#000000	##000000
##ECF384	1.00	1.19	17.72	17.72
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.72	21.00	1.00	1.00
##000000	17.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA7B

Deuteranopia (green-blind)

#FFED89

Tritanopia (blue-blind)

#F9E7D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf384;
/* rgb */ color: rgb(236, 243, 132);
/* oklch */ color: oklch(93.6% 0.135 111.9);

Tailwind

colors: {
  custom: {
    50: '#f4f7aa',
    500: '#ecf384',
    950: '#000000',
  },
}

SCSS

$custom: #ecf384;
$custom-light: #f4f7aa;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf384",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 132
  },
  "hsl": {
    "h": 63.784,
    "s": 82.222,
    "l": 73.529
  },
  "oklch": {
    "l": 0.93585,
    "c": 0.13503,
    "h": 111.9
  },
  "luminance": 0.836
}

Semantic roles & 50–950 ramp

primary

#ECF384

secondary

#554CCF

accent

#07DF14

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF384

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

Preview Lab → · Contrast checker → · Palette generator →