#ECF68F#ECF68F

#ECF68F is a very light, vivid yellow. Relative luminance 0.857; OKLCH L 94.4% C 0.127 H 113.4°. Best body text is #000000 at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#ECF68F
RGB	rgb(236, 246, 143)
HSL	hsl(66, 85%, 76%)
HSV	hsv(66, 42%, 96%)
CMYK	cmyk(4.1%, 0%, 41.9%, 3.5%)
CIE-LAB	lab(94.20, -18.12, 48.31)
CIE-LCH	lch(94.20, 51.60, 110.56°)
OKLab	oklab(94.36% -0.0505 0.1168)
OKLCH	oklch(94.36% 0.127 113.4)
XYZ	xyz(72.5066, 85.7286, 38.7089)
Luminance	0.8573 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF68F #998FF6

analogous

#F6CD8F #ECF68F #B9F68F

triadic

#ECF68F #8FECF6 #F68FEC

tetradic

#ECF68F #8FF6CD #998FF6 #F68FB9

square

#ECF68F #8FF6CD #998FF6 #F68FB9

split-complementary

#ECF68F #8FB9F6 #CD8FF6

monochromatic

#D9ED1E #E2F156 #ECF68F #F6FBC8 #FAFDE3

Accessibility & contrast

On white

1.16

#ECF68F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.15

#ECF68F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF68F

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF68F	#FFFFFF	#000000	##000000
##ECF68F	1.00	1.16	18.15	18.15
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.15	21.00	1.00	1.00
##000000	18.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED87

Deuteranopia (green-blind)

#FFF094

Tritanopia (blue-blind)

#F7EBDD

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf68f;
/* rgb */ color: rgb(236, 246, 143);
/* oklch */ color: oklch(94.4% 0.127 113.4);

Tailwind

colors: {
  custom: {
    50: '#f3f9b1',
    500: '#ecf68f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf68f;
$custom-light: #f3f9b1;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf68f",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 143
  },
  "hsl": {
    "h": 65.825,
    "s": 85.124,
    "l": 76.275
  },
  "oklch": {
    "l": 0.94363,
    "c": 0.12729,
    "h": 113.4
  },
  "luminance": 0.85728
}

Semantic roles & 50–950 ramp

primary

#ECF68F

secondary

#6255D4

accent

#04E219

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF68F

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

Preview Lab → · Contrast checker → · Palette generator →