#ECF475#ECF475

#ECF475 is a very light, vivid yellow. Relative luminance 0.838; OKLCH L 93.6% C 0.151 H 112.2°. Best body text is #000000 at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#ECF475
RGB	rgb(236, 244, 117)
HSL	hsl(64, 85%, 71%)
HSV	hsv(64, 52%, 96%)
CMYK	cmyk(3.3%, 0%, 52%, 4.3%)
CIE-LAB	lab(93.37, -19.57, 59.44)
CIE-LCH	lch(93.37, 62.57, 108.22°)
OKLab	oklab(93.61% -0.0569 0.1394)
OKLCH	oklch(93.61% 0.151 112.2)
XYZ	xyz(70.1551, 83.8199, 29.3094)
Luminance	0.8382 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF475 #7D75F4

analogous

#F4BD75 #ECF475 #ACF475

triadic

#ECF475 #75ECF4 #F475EC

tetradic

#ECF475 #75F4BD #7D75F4 #F475AC

square

#ECF475 #75F4BD #7D75F4 #F475AC

split-complementary

#ECF475 #75ACF4 #BD75F4

monochromatic

#D0DD12 #E4EF3C #ECF475 #F4F9AE #FBFDE3

Accessibility & contrast

On white

1.18

#ECF475 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.76

#ECF475 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF475

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF475	#FFFFFF	#000000	##000000
##ECF475	1.00	1.18	17.76	17.76
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.76	21.00	1.00	1.00
##000000	17.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA69

Deuteranopia (green-blind)

#FFEE7C

Tritanopia (blue-blind)

#FAE7D8

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf475;
/* rgb */ color: rgb(236, 244, 117);
/* oklch */ color: oklch(93.6% 0.151 112.2);

Tailwind

colors: {
  custom: {
    50: '#f4f7a0',
    500: '#ecf475',
    950: '#000000',
  },
}

SCSS

$custom: #ecf475;
$custom-light: #f4f7a0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf475",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 117
  },
  "hsl": {
    "h": 63.78,
    "s": 85.235,
    "l": 70.784
  },
  "oklch": {
    "l": 0.93607,
    "c": 0.15056,
    "h": 112.2
  },
  "luminance": 0.83819
}

Semantic roles & 50–950 ramp

primary

#ECF475

secondary

#483FCE

accent

#04E212

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF475

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

Preview Lab → · Contrast checker → · Palette generator →