#ECFF69#ECFF69

#ECFF69 is a very light, vivid yellow. Relative luminance 0.904; OKLCH L 95.8% C 0.173 H 115.8°. Best body text is #000000 at 19.07:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF69
RGB	rgb(236, 255, 105)
HSL	hsl(68, 100%, 71%)
HSV	hsv(68, 59%, 100%)
CMYK	cmyk(7.5%, 0%, 58.8%, 0%)
CIE-LAB	lab(96.15, -25.72, 67.77)
CIE-LCH	lch(96.15, 72.49, 110.78°)
OKLab	oklab(95.8% -0.0755 0.1559)
OKLCH	oklch(95.8% 0.173 115.8)
XYZ	xyz(72.9033, 90.3738, 26.9652)
Luminance	0.9037 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF69 #7C69FF

analogous

#FFC769 #ECFF69 #A1FF69

triadic

#ECFF69 #69ECFF #FF69EC

tetradic

#ECFF69 #69FFC7 #7C69FF #FF69A1

square

#ECFF69 #69FFC7 #7C69FF #FF69A1

split-complementary

#ECFF69 #69A1FF #C769FF

monochromatic

#D0EE00 #E4FF2C #ECFF69 #F4FFA6 #FBFFE0

Accessibility & contrast

On white

1.10

#ECFF69 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.07

#ECFF69 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF69

19.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF69	#FFFFFF	#000000	##000000
##ECFF69	1.00	1.10	19.07	19.07
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.07	21.00	1.00	1.00
##000000	19.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF358

Deuteranopia (green-blind)

#FFF573

Tritanopia (blue-blind)

#F9F2DF

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecff69;
/* rgb */ color: rgb(236, 255, 105);
/* oklch */ color: oklch(95.8% 0.173 115.8);

Tailwind

colors: {
  custom: {
    50: '#f5ff99',
    500: '#ecff69',
    950: '#000000',
  },
}

SCSS

$custom: #ecff69;
$custom-light: #f5ff99;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff69",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 105
  },
  "hsl": {
    "h": 67.6,
    "s": 100,
    "l": 70.588
  },
  "oklch": {
    "l": 0.95795,
    "c": 0.17324,
    "h": 115.8
  },
  "luminance": 0.90373
}

Semantic roles & 50–950 ramp

primary

#ECFF69

secondary

#4731DB

accent

#00E61D

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFF69

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

Preview Lab → · Contrast checker → · Palette generator →