#ECF16F#ECF16F

#ECF16F is a very light, vivid yellow. Relative luminance 0.819; OKLCH L 92.9% C 0.153 H 111.0°. Best body text is #000000 at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#ECF16F
RGB	rgb(236, 241, 111)
HSL	hsl(62, 82%, 69%)
HSV	hsv(62, 54%, 95%)
CMYK	cmyk(2.1%, 0%, 53.9%, 5.5%)
CIE-LAB	lab(92.53, -18.60, 61.14)
CIE-LCH	lch(92.53, 63.90, 106.92°)
OKLab	oklab(92.91% -0.0548 0.1424)
OKLCH	oklch(92.91% 0.153 111)
XYZ	xyz(68.9182, 81.8927, 27.2122)
Luminance	0.8189 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF16F #746FF1

analogous

#F1B56F #ECF16F #ABF16F

triadic

#ECF16F #6FECF1 #F16FEC

tetradic

#ECF16F #6FF1B5 #746FF1 #F16FAB

square

#ECF16F #6FF1B5 #746FF1 #F16FAB

split-complementary

#ECF16F #6FABF1 #B56FF1

monochromatic

#CAD114 #E5EC37 #ECF16F #F3F6A7 #FBFCDF

Accessibility & contrast

On white

1.21

#ECF16F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.38

#ECF16F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF16F

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF16F	#FFFFFF	#000000	##000000
##ECF16F	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)

#FFE862

Deuteranopia (green-blind)

#FFEB76

Tritanopia (blue-blind)

#FAE4D4

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf16f;
/* rgb */ color: rgb(236, 241, 111);
/* oklch */ color: oklch(92.9% 0.153 111.0);

Tailwind

colors: {
  custom: {
    50: '#f5f59c',
    500: '#ecf16f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf16f;
$custom-light: #f5f59c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf16f",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 111
  },
  "hsl": {
    "h": 62.308,
    "s": 82.278,
    "l": 69.02
  },
  "oklch": {
    "l": 0.92914,
    "c": 0.15261,
    "h": 111
  },
  "luminance": 0.81891
}

Semantic roles & 50–950 ramp

primary

#ECF16F

secondary

#403ACA

accent

#07DF0F

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF16F

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

Preview Lab → · Contrast checker → · Palette generator →