#ECF274#ECF274

#ECF274 is a very light, vivid yellow. Relative luminance 0.826; OKLCH L 93.2% C 0.149 H 111.4°. Best body text is #000000 at 17.52:1 contrast (WCAG AA passes).

Color values

HEX	#ECF274
RGB	rgb(236, 242, 116)
HSL	hsl(63, 83%, 70%)
HSV	hsv(63, 52%, 95%)
CMYK	cmyk(2.5%, 0%, 52.1%, 5.1%)
CIE-LAB	lab(92.84, -18.68, 59.27)
CIE-LCH	lch(92.84, 62.14, 107.50°)
OKLab	oklab(93.18% -0.0545 0.1389)
OKLCH	oklch(93.18% 0.149 111.4)
XYZ	xyz(69.4981, 82.5995, 28.8019)
Luminance	0.8260 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF274 #7A74F2

analogous

#F2B974 #ECF274 #ADF274

triadic

#ECF274 #74ECF2 #F274EC

tetradic

#ECF274 #74F2B9 #7A74F2 #F274AD

square

#ECF274 #74F2B9 #7A74F2 #F274AD

split-complementary

#ECF274 #74ADF2 #B974F2

monochromatic

#CED714 #E4ED3C #ECF274 #F4F7AC #FBFCE3

Accessibility & contrast

On white

1.20

#ECF274 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.52

#ECF274 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF274

17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF274	#FFFFFF	#000000	##000000
##ECF274	1.00	1.20	17.52	17.52
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.52	21.00	1.00	1.00
##000000	17.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE968

Deuteranopia (green-blind)

#FFEC7B

Tritanopia (blue-blind)

#FAE5D6

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf274;
/* rgb */ color: rgb(236, 242, 116);
/* oklch */ color: oklch(93.2% 0.149 111.4);

Tailwind

colors: {
  custom: {
    50: '#f4f69f',
    500: '#ecf274',
    950: '#000000',
  },
}

SCSS

$custom: #ecf274;
$custom-light: #f4f69f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf274",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 116
  },
  "hsl": {
    "h": 62.857,
    "s": 82.895,
    "l": 70.196
  },
  "oklch": {
    "l": 0.93178,
    "c": 0.14924,
    "h": 111.4
  },
  "luminance": 0.82598
}

Semantic roles & 50–950 ramp

primary

#ECF274

secondary

#453ECC

accent

#06DF11

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF274

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

Preview Lab → · Contrast checker → · Palette generator →