#ECFF75#ECFF75

#ECFF75 is a very light, vivid yellow. Relative luminance 0.906; OKLCH L 95.9% C 0.163 H 116.1°. Best body text is #000000 at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF75
RGB	rgb(236, 255, 117)
HSL	hsl(68, 100%, 73%)
HSV	hsv(68, 54%, 100%)
CMYK	cmyk(7.5%, 0%, 54.1%, 0%)
CIE-LAB	lab(96.26, -24.81, 62.77)
CIE-LCH	lch(96.26, 67.50, 111.57°)
OKLab	oklab(95.92% -0.0718 0.1466)
OKLCH	oklch(95.92% 0.163 116.1)
XYZ	xyz(73.5642, 90.6381, 30.4457)
Luminance	0.9064 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF75 #8875FF

analogous

#FFCD75 #ECFF75 #A7FF75

triadic

#ECFF75 #75ECFF #FF75EC

tetradic

#ECFF75 #75FFCD #8875FF #FF75A7

square

#ECFF75 #75FFCD #8875FF #FF75A7

split-complementary

#ECFF75 #75A7FF #CD75FF

monochromatic

#D7FA00 #E4FF38 #ECFF75 #F4FFB2 #FBFFE0

Accessibility & contrast

On white

1.10

#ECFF75 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.13

#ECFF75 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF75

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF75	#FFFFFF	#000000	##000000
##ECFF75	1.00	1.10	19.13	19.13
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.13	21.00	1.00	1.00
##000000	19.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF367

Deuteranopia (green-blind)

#FFF57D

Tritanopia (blue-blind)

#F9F2E1

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecff75;
/* rgb */ color: rgb(236, 255, 117);
/* oklch */ color: oklch(95.9% 0.163 116.1);

Tailwind

colors: {
  custom: {
    50: '#f4ffa1',
    500: '#ecff75',
    950: '#000000',
  },
}

SCSS

$custom: #ecff75;
$custom-light: #f4ffa1;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff75",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 117
  },
  "hsl": {
    "h": 68.261,
    "s": 100,
    "l": 72.941
  },
  "oklch": {
    "l": 0.95917,
    "c": 0.1632,
    "h": 116.1
  },
  "luminance": 0.90637
}

Semantic roles & 50–950 ramp

primary

#ECFF75

secondary

#523CDD

accent

#00E620

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFF75

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

Preview Lab → · Contrast checker → · Palette generator →