#ECF375#ECF375

#ECF375 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 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#ECF375
RGB	rgb(236, 243, 117)
HSL	hsl(63, 84%, 71%)
HSV	hsv(63, 52%, 95%)
CMYK	cmyk(2.9%, 0%, 51.9%, 4.7%)
CIE-LAB	lab(93.11, -19.08, 59.13)
CIE-LCH	lch(93.11, 62.14, 107.89°)
OKLab	oklab(93.4% -0.0556 0.1387)
OKLCH	oklch(93.4% 0.149 111.8)
XYZ	xyz(69.8550, 83.2198, 29.2093)
Luminance	0.8322 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF375 #7C75F3

analogous

#F3BB75 #ECF375 #ADF375

triadic

#ECF375 #75ECF3 #F375EC

tetradic

#ECF375 #75F3BB #7C75F3 #F375AD

square

#ECF375 #75F3BB #7C75F3 #F375AD

split-complementary

#ECF375 #75ADF3 #BB75F3

monochromatic

#D0DB13 #E4EE3D #ECF375 #F4F8AD #FBFDE3

Accessibility & contrast

On white

1.19

#ECF375 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.64

#ECF375 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF375

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF375	#FFFFFF	#000000	##000000
##ECF375	1.00	1.19	17.64	17.64
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.64	21.00	1.00	1.00
##000000	17.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE969

Deuteranopia (green-blind)

#FFED7C

Tritanopia (blue-blind)

#FAE6D7

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf375;
/* rgb */ color: rgb(236, 243, 117);
/* oklch */ color: oklch(93.4% 0.149 111.8);

Tailwind

colors: {
  custom: {
    50: '#f4f6a0',
    500: '#ecf375',
    950: '#000000',
  },
}

SCSS

$custom: #ecf375;
$custom-light: #f4f6a0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf375",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 117
  },
  "hsl": {
    "h": 63.333,
    "s": 84,
    "l": 70.588
  },
  "oklch": {
    "l": 0.93399,
    "c": 0.14944,
    "h": 111.8
  },
  "luminance": 0.83218
}

Semantic roles & 50–950 ramp

primary

#ECF375

secondary

#473FCD

accent

#05E011

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF375

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

Preview Lab → · Contrast checker → · Palette generator →