#ECF170#ECF170

#ECF170 is a very light, vivid yellow. Relative luminance 0.819; OKLCH L 92.9% C 0.152 H 111.0°. Best body text is #000000 at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#ECF170
RGB	rgb(236, 241, 112)
HSL	hsl(62, 82%, 69%)
HSV	hsv(62, 54%, 95%)
CMYK	cmyk(2.1%, 0%, 53.5%, 5.5%)
CIE-LAB	lab(92.54, -18.52, 60.71)
CIE-LCH	lch(92.54, 63.47, 106.96°)
OKLab	oklab(92.93% -0.0545 0.1416)
OKLCH	oklch(92.93% 0.152 111)
XYZ	xyz(68.9736, 81.9148, 27.5038)
Luminance	0.8191 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF170 #7570F1

analogous

#F1B670 #ECF170 #ABF170

triadic

#ECF170 #70ECF1 #F170EC

tetradic

#ECF170 #70F1B6 #7570F1 #F170AB

square

#ECF170 #70F1B6 #7570F1 #F170AB

split-complementary

#ECF170 #70ABF1 #B670F1

monochromatic

#CBD215 #E5EC38 #ECF170 #F3F6A8 #FBFCDF

Accessibility & contrast

On white

1.21

#ECF170 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.38

#ECF170 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF170

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF170	#FFFFFF	#000000	##000000
##ECF170	1.00	1.21	17.38	17.38
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.38	21.00	1.00	1.00
##000000	17.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE863

Deuteranopia (green-blind)

#FFEB77

Tritanopia (blue-blind)

#FAE4D4

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf170;
/* rgb */ color: rgb(236, 241, 112);
/* oklch */ color: oklch(92.9% 0.152 111.0);

Tailwind

colors: {
  custom: {
    50: '#f4f59d',
    500: '#ecf170',
    950: '#000000',
  },
}

SCSS

$custom: #ecf170;
$custom-light: #f4f59d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf170",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 112
  },
  "hsl": {
    "h": 62.326,
    "s": 82.166,
    "l": 69.216
  },
  "oklch": {
    "l": 0.92925,
    "c": 0.15173,
    "h": 111
  },
  "luminance": 0.81913
}

Semantic roles & 50–950 ramp

primary

#ECF170

secondary

#413BCA

accent

#07DF0F

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF170

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

Preview Lab → · Contrast checker → · Palette generator →