#ECF574#ECF574

#ECF574 is a very light, vivid yellow. Relative luminance 0.844; OKLCH L 93.8% C 0.153 H 112.6°. Best body text is #000000 at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#ECF574
RGB	rgb(236, 245, 116)
HSL	hsl(64, 87%, 71%)
HSV	hsv(64, 53%, 96%)
CMYK	cmyk(3.7%, 0%, 52.7%, 3.9%)
CIE-LAB	lab(93.62, -20.13, 60.18)
CIE-LCH	lch(93.62, 63.45, 108.49°)
OKLab	oklab(93.81% -0.0586 0.1409)
OKLCH	oklch(93.81% 0.153 112.6)
XYZ	xyz(70.3983, 84.4000, 29.1019)
Luminance	0.8440 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF574 #7D74F5

analogous

#F5BD74 #ECF574 #ABF574

triadic

#ECF574 #74ECF5 #F574EC

tetradic

#ECF574 #74F5BD #7D74F5 #F574AB

square

#ECF574 #74F5BD #7D74F5 #F574AB

split-complementary

#ECF574 #74ABF5 #BD74F5

monochromatic

#D0DF10 #E4F13B #ECF574 #F4F9AD #FBFDE2

Accessibility & contrast

On white

1.17

#ECF574 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.88

#ECF574 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF574

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF574	#FFFFFF	#000000	##000000
##ECF574	1.00	1.17	17.88	17.88
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.88	21.00	1.00	1.00
##000000	17.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB67

Deuteranopia (green-blind)

#FFEE7B

Tritanopia (blue-blind)

#FAE8D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf574;
/* rgb */ color: rgb(236, 245, 116);
/* oklch */ color: oklch(93.8% 0.153 112.6);

Tailwind

colors: {
  custom: {
    50: '#f4f89f',
    500: '#ecf574',
    950: '#000000',
  },
}

SCSS

$custom: #ecf574;
$custom-light: #f4f89f;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf574",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 116
  },
  "hsl": {
    "h": 64.186,
    "s": 86.577,
    "l": 70.784
  },
  "oklch": {
    "l": 0.93805,
    "c": 0.1526,
    "h": 112.6
  },
  "luminance": 0.84399
}

Semantic roles & 50–950 ramp

primary

#ECF574

secondary

#483ED0

accent

#02E312

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF574

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

Preview Lab → · Contrast checker → · Palette generator →