#ECF669#ECF669

#ECF669 is a very light, vivid yellow. Relative luminance 0.848; OKLCH L 93.9% C 0.163 H 112.9°. Best body text is #000000 at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#ECF669
RGB	rgb(236, 246, 105)
HSL	hsl(64, 89%, 69%)
HSV	hsv(64, 57%, 96%)
CMYK	cmyk(4.1%, 0%, 57.3%, 3.5%)
CIE-LAB	lab(93.78, -21.45, 65.15)
CIE-LCH	lch(93.78, 68.59, 108.22°)
OKLab	oklab(93.9% -0.0635 0.1504)
OKLCH	oklch(93.9% 0.163 112.9)
XYZ	xyz(70.0993, 84.7657, 26.0306)
Luminance	0.8476 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF669 #7369F6

analogous

#F6BA69 #ECF669 #A6F669

triadic

#ECF669 #69ECF6 #F669EC

tetradic

#ECF669 #69F6BA #7369F6 #F669A6

square

#ECF669 #69F6BA #7369F6 #F669A6

split-complementary

#ECF669 #69A6F6 #BA69F6

monochromatic

#C9D80D #E5F32F #ECF669 #F3F9A3 #FBFDDC

Accessibility & contrast

On white

1.17

#ECF669 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.95

#ECF669 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF669

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF669	#FFFFFF	#000000	##000000
##ECF669	1.00	1.17	17.95	17.95
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.95	21.00	1.00	1.00
##000000	17.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB59

Deuteranopia (green-blind)

#FFEF71

Tritanopia (blue-blind)

#FAE9D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf669;
/* rgb */ color: rgb(236, 246, 105);
/* oklch */ color: oklch(93.9% 0.163 112.9);

Tailwind

colors: {
  custom: {
    50: '#f5f999',
    500: '#ecf669',
    950: '#000000',
  },
}

SCSS

$custom: #ecf669;
$custom-light: #f5f999;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf669",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 105
  },
  "hsl": {
    "h": 64.255,
    "s": 88.679,
    "l": 68.824
  },
  "oklch": {
    "l": 0.93898,
    "c": 0.1632,
    "h": 112.9
  },
  "luminance": 0.84764
}

Semantic roles & 50–950 ramp

primary

#ECF669

secondary

#3F34CF

accent

#00E510

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF669

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

Preview Lab → · Contrast checker → · Palette generator →