#ECF668#ECF668

#ECF668 is a very light, vivid yellow. Relative luminance 0.847; OKLCH L 93.9% C 0.164 H 112.9°. Best body text is #000000 at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#ECF668
RGB	rgb(236, 246, 104)
HSL	hsl(64, 89%, 69%)
HSV	hsv(64, 58%, 96%)
CMYK	cmyk(4.1%, 0%, 57.7%, 3.5%)
CIE-LAB	lab(93.77, -21.52, 65.56)
CIE-LCH	lch(93.77, 69.01, 108.17°)
OKLab	oklab(93.89% -0.0638 0.1511)
OKLCH	oklch(93.89% 0.164 112.9)
XYZ	xyz(70.0482, 84.7452, 25.7615)
Luminance	0.8474 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF668 #7268F6

analogous

#F6B968 #ECF668 #A5F668

triadic

#ECF668 #68ECF6 #F668EC

tetradic

#ECF668 #68F6B9 #7268F6 #F668A5

square

#ECF668 #68F6B9 #7268F6 #F668A5

split-complementary

#ECF668 #68A5F6 #B968F6

monochromatic

#C9D70D #E5F32E #ECF668 #F3F9A2 #FBFDDC

Accessibility & contrast

On white

1.17

#ECF668 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.95

#ECF668 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF668

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF668	#FFFFFF	#000000	##000000
##ECF668	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)

#FFEB58

Deuteranopia (green-blind)

#FFEF71

Tritanopia (blue-blind)

#FAE9D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf668;
/* rgb */ color: rgb(236, 246, 104);
/* oklch */ color: oklch(93.9% 0.164 112.9);

Tailwind

colors: {
  custom: {
    50: '#f5f998',
    500: '#ecf668',
    950: '#000000',
  },
}

SCSS

$custom: #ecf668;
$custom-light: #f5f998;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf668",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 104
  },
  "hsl": {
    "h": 64.225,
    "s": 88.75,
    "l": 68.627
  },
  "oklch": {
    "l": 0.93888,
    "c": 0.16403,
    "h": 112.9
  },
  "luminance": 0.84744
}

Semantic roles & 50–950 ramp

primary

#ECF668

secondary

#3E33CF

accent

#00E510

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF668

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

Preview Lab → · Contrast checker → · Palette generator →