#ECF674#ECF674

#ECF674 is a very light, vivid yellow. Relative luminance 0.850; OKLCH L 94.0% C 0.154 H 113.0°. Best body text is #000000 at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#ECF674
RGB	rgb(236, 246, 116)
HSL	hsl(65, 88%, 71%)
HSV	hsv(65, 53%, 96%)
CMYK	cmyk(4.1%, 0%, 52.8%, 3.5%)
CIE-LAB	lab(93.89, -20.61, 60.48)
CIE-LCH	lch(93.89, 63.89, 108.82°)
OKLab	oklab(94.02% -0.06 0.1415)
OKLCH	oklch(94.02% 0.154 113)
XYZ	xyz(70.7017, 85.0066, 29.2031)
Luminance	0.8500 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF674 #7E74F6

analogous

#F6BF74 #ECF674 #ABF674

triadic

#ECF674 #74ECF6 #F674EC

tetradic

#ECF674 #74F6BF #7E74F6 #F674AB

square

#ECF674 #74F6BF #7E74F6 #F674AB

split-complementary

#ECF674 #74ABF6 #BF74F6

monochromatic

#D1E10F #E4F23B #ECF674 #F4FAAD #FBFDE2

Accessibility & contrast

On white

1.17

#ECF674 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.00

#ECF674 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF674

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF674	#FFFFFF	#000000	##000000
##ECF674	1.00	1.17	18.00	18.00
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.00	21.00	1.00	1.00
##000000	18.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC67

Deuteranopia (green-blind)

#FFEF7B

Tritanopia (blue-blind)

#F9E9D9

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf674;
/* rgb */ color: rgb(236, 246, 116);
/* oklch */ color: oklch(94.0% 0.154 113.0);

Tailwind

colors: {
  custom: {
    50: '#f4f9a0',
    500: '#ecf674',
    950: '#000000',
  },
}

SCSS

$custom: #ecf674;
$custom-light: #f4f9a0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf674",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 116
  },
  "hsl": {
    "h": 64.615,
    "s": 87.838,
    "l": 70.98
  },
  "oklch": {
    "l": 0.94015,
    "c": 0.15372,
    "h": 113
  },
  "luminance": 0.85005
}

Semantic roles & 50–950 ramp

primary

#ECF674

secondary

#493DD1

accent

#01E413

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF674

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

Preview Lab → · Contrast checker → · Palette generator →