#ECF16D#ECF16D

#ECF16D is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 92.9% C 0.154 H 111.0°. Best body text is #000000 at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#ECF16D
RGB	rgb(236, 241, 109)
HSL	hsl(62, 83%, 69%)
HSV	hsv(62, 55%, 95%)
CMYK	cmyk(2.1%, 0%, 54.8%, 5.5%)
CIE-LAB	lab(92.51, -18.75, 62.00)
CIE-LCH	lch(92.51, 64.77, 106.83°)
OKLab	oklab(92.89% -0.0554 0.1441)
OKLCH	oklch(92.89% 0.154 111)
XYZ	xyz(68.8094, 81.8491, 26.6388)
Luminance	0.8185 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF16D #726DF1

analogous

#F1B46D #ECF16D #AAF16D

triadic

#ECF16D #6DECF1 #F16DEC

tetradic

#ECF16D #6DF1B4 #726DF1 #F16DAA

square

#ECF16D #6DF1B4 #726DF1 #F16DAA

split-complementary

#ECF16D #6DAAF1 #B46DF1

monochromatic

#C9D014 #E5EC35 #ECF16D #F3F6A5 #FBFCDD

Accessibility & contrast

On white

1.21

#ECF16D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.37

#ECF16D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF16D

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF16D	#FFFFFF	#000000	##000000
##ECF16D	1.00	1.21	17.37	17.37
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.37	21.00	1.00	1.00
##000000	17.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE75F

Deuteranopia (green-blind)

#FFEB74

Tritanopia (blue-blind)

#FAE4D4

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf16d;
/* rgb */ color: rgb(236, 241, 109);
/* oklch */ color: oklch(92.9% 0.154 111.0);

Tailwind

colors: {
  custom: {
    50: '#f5f59b',
    500: '#ecf16d',
    950: '#000000',
  },
}

SCSS

$custom: #ecf16d;
$custom-light: #f5f59b;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf16d",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 109
  },
  "hsl": {
    "h": 62.273,
    "s": 82.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.92892,
    "c": 0.15436,
    "h": 111
  },
  "luminance": 0.81848
}

Semantic roles & 50–950 ramp

primary

#ECF16D

secondary

#3E38CA

accent

#07DF0F

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF16D

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

Preview Lab → · Contrast checker → · Palette generator →