#ECFF65#ECFF65

#ECFF65 is a very light, vivid yellow. Relative luminance 0.903; OKLCH L 95.8% C 0.176 H 115.8°. Best body text is #000000 at 19.06:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF65
RGB	rgb(236, 255, 101)
HSL	hsl(67, 100%, 70%)
HSV	hsv(67, 60%, 100%)
CMYK	cmyk(7.5%, 0%, 60.4%, 0%)
CIE-LAB	lab(96.12, -26.00, 69.37)
CIE-LCH	lch(96.12, 74.09, 110.54°)
OKLab	oklab(95.76% -0.0767 0.1588)
OKLCH	oklch(95.76% 0.176 115.8)
XYZ	xyz(72.7026, 90.2935, 25.9078)
Luminance	0.9029 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF65 #7865FF

analogous

#FFC565 #ECFF65 #9FFF65

triadic

#ECFF65 #65ECFF #FF65EC

tetradic

#ECFF65 #65FFC5 #7865FF #FF659F

square

#ECFF65 #65FFC5 #7865FF #FF659F

split-complementary

#ECFF65 #659FFF #C565FF

monochromatic

#CDEA00 #E4FF28 #ECFF65 #F4FFA2 #FBFFDF

Accessibility & contrast

On white

1.10

#ECFF65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.06

#ECFF65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF65

19.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF65	#FFFFFF	#000000	##000000
##ECFF65	1.00	1.10	19.06	19.06
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.06	21.00	1.00	1.00
##000000	19.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF353

Deuteranopia (green-blind)

#FFF56F

Tritanopia (blue-blind)

#FAF2DF

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecff65;
/* rgb */ color: rgb(236, 255, 101);
/* oklch */ color: oklch(95.8% 0.176 115.8);

Tailwind

colors: {
  custom: {
    50: '#f5ff97',
    500: '#ecff65',
    950: '#000000',
  },
}

SCSS

$custom: #ecff65;
$custom-light: #f5ff97;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff65",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 101
  },
  "hsl": {
    "h": 67.403,
    "s": 100,
    "l": 69.804
  },
  "oklch": {
    "l": 0.95757,
    "c": 0.17636,
    "h": 115.8
  },
  "luminance": 0.90292
}

Semantic roles & 50–950 ramp

primary

#ECFF65

secondary

#432EDA

accent

#00E61C

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFF65

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

Preview Lab → · Contrast checker → · Palette generator →