#ECF169#ECF169

#ECF169 is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 92.8% C 0.158 H 111.1°. Best body text is #000000 at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#ECF169
RGB	rgb(236, 241, 105)
HSL	hsl(62, 83%, 68%)
HSV	hsv(62, 56%, 95%)
CMYK	cmyk(2.1%, 0%, 56.4%, 5.5%)
CIE-LAB	lab(92.47, -19.05, 63.69)
CIE-LCH	lch(92.47, 66.48, 106.65°)
OKLab	oklab(92.85% -0.0567 0.1472)
OKLCH	oklch(92.85% 0.158 111.1)
XYZ	xyz(68.5989, 81.7649, 25.5304)
Luminance	0.8176 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF169 #6E69F1

analogous

#F1B269 #ECF169 #A8F169

triadic

#ECF169 #69ECF1 #F169EC

tetradic

#ECF169 #69F1B2 #6E69F1 #F169A8

square

#ECF169 #69F1B2 #6E69F1 #F169A8

split-complementary

#ECF169 #69A8F1 #B269F1

monochromatic

#C6CD13 #E5EC31 #ECF169 #F3F6A1 #FAFBD9

Accessibility & contrast

On white

1.21

#ECF169 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.35

#ECF169 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF169

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF169	#FFFFFF	#000000	##000000
##ECF169	1.00	1.21	17.35	17.35
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.35	21.00	1.00	1.00
##000000	17.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE75A

Deuteranopia (green-blind)

#FFEB71

Tritanopia (blue-blind)

#FBE4D4

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf169;
/* rgb */ color: rgb(236, 241, 105);
/* oklch */ color: oklch(92.8% 0.158 111.1);

Tailwind

colors: {
  custom: {
    50: '#f5f598',
    500: '#ecf169',
    950: '#000000',
  },
}

SCSS

$custom: #ecf169;
$custom-light: #f5f598;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf169",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 105
  },
  "hsl": {
    "h": 62.206,
    "s": 82.927,
    "l": 67.843
  },
  "oklch": {
    "l": 0.9285,
    "c": 0.15777,
    "h": 111.1
  },
  "luminance": 0.81763
}

Semantic roles & 50–950 ramp

primary

#ECF169

secondary

#3B35C9

accent

#06DF0E

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF169

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

Preview Lab → · Contrast checker → · Palette generator →