#ECFF6E#ECFF6E

#ECFF6E is a very light, vivid yellow. Relative luminance 0.905; OKLCH L 95.8% C 0.169 H 115.9°. Best body text is #000000 at 19.10:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF6E
RGB	rgb(236, 255, 110)
HSL	hsl(68, 100%, 72%)
HSV	hsv(68, 57%, 100%)
CMYK	cmyk(7.5%, 0%, 56.9%, 0%)
CIE-LAB	lab(96.20, -25.36, 65.72)
CIE-LCH	lch(96.20, 70.44, 111.10°)
OKLab	oklab(95.84% -0.074 0.1521)
OKLCH	oklch(95.84% 0.169 115.9)
XYZ	xyz(73.1679, 90.4796, 28.3587)
Luminance	0.9048 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF6E #816EFF

analogous

#FFCA6E #ECFF6E #A4FF6E

triadic

#ECFF6E #6EECFF #FF6EEC

tetradic

#ECFF6E #6EFFCA #816EFF #FF6EA4

square

#ECFF6E #6EFFCA #816EFF #FF6EA4

split-complementary

#ECFF6E #6EA4FF #CA6EFF

monochromatic

#D3F300 #E4FF31 #ECFF6E #F4FFAB #FBFFE0

Accessibility & contrast

On white

1.10

#ECFF6E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.10

#ECFF6E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF6E

19.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF6E	#FFFFFF	#000000	##000000
##ECFF6E	1.00	1.10	19.10	19.10
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.10	21.00	1.00	1.00
##000000	19.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF35E

Deuteranopia (green-blind)

#FFF577

Tritanopia (blue-blind)

#F9F2E0

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecff6e;
/* rgb */ color: rgb(236, 255, 110);
/* oklch */ color: oklch(95.8% 0.169 115.9);

Tailwind

colors: {
  custom: {
    50: '#f5ff9c',
    500: '#ecff6e',
    950: '#000000',
  },
}

SCSS

$custom: #ecff6e;
$custom-light: #f5ff9c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff6e",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 110
  },
  "hsl": {
    "h": 67.862,
    "s": 100,
    "l": 71.569
  },
  "oklch": {
    "l": 0.95844,
    "c": 0.16917,
    "h": 115.9
  },
  "luminance": 0.90479
}

Semantic roles & 50–950 ramp

primary

#ECFF6E

secondary

#4B36DB

accent

#00E61E

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFF6E

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

Preview Lab → · Contrast checker → · Palette generator →