#ECF376#ECF376

#ECF376 is a very light, vivid yellow. Relative luminance 0.832; OKLCH L 93.4% C 0.149 H 111.8°. Best body text is #000000 at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#ECF376
RGB	rgb(236, 243, 118)
HSL	hsl(63, 84%, 71%)
HSV	hsv(63, 51%, 95%)
CMYK	cmyk(2.9%, 0%, 51.4%, 4.7%)
CIE-LAB	lab(93.12, -19.00, 58.69)
CIE-LCH	lch(93.12, 61.69, 107.94°)
OKLab	oklab(93.41% -0.0552 0.1379)
OKLCH	oklch(93.41% 0.149 111.8)
XYZ	xyz(69.9141, 83.2434, 29.5207)
Luminance	0.8324 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF376 #7D76F3

analogous

#F3BB76 #ECF376 #ADF376

triadic

#ECF376 #76ECF3 #F376EC

tetradic

#ECF376 #76F3BB #7D76F3 #F376AD

square

#ECF376 #76F3BB #7D76F3 #F376AD

split-complementary

#ECF376 #76ADF3 #BB76F3

monochromatic

#D0DB13 #E4EE3E #ECF376 #F4F8AE #FBFDE3

Accessibility & contrast

On white

1.19

#ECF376 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.65

#ECF376 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF376

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF376	#FFFFFF	#000000	##000000
##ECF376	1.00	1.19	17.65	17.65
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.65	21.00	1.00	1.00
##000000	17.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE96A

Deuteranopia (green-blind)

#FFED7D

Tritanopia (blue-blind)

#FAE7D7

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf376;
/* rgb */ color: rgb(236, 243, 118);
/* oklch */ color: oklch(93.4% 0.149 111.8);

Tailwind

colors: {
  custom: {
    50: '#f4f6a1',
    500: '#ecf376',
    950: '#000000',
  },
}

SCSS

$custom: #ecf376;
$custom-light: #f4f6a1;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf376",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 118
  },
  "hsl": {
    "h": 63.36,
    "s": 83.893,
    "l": 70.784
  },
  "oklch": {
    "l": 0.9341,
    "c": 0.14852,
    "h": 111.8
  },
  "luminance": 0.83242
}

Semantic roles & 50–950 ramp

primary

#ECF376

secondary

#4840CD

accent

#05E011

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF376

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

Preview Lab → · Contrast checker → · Palette generator →