#ECFE65#ECFE65

#ECFE65 is a very light, vivid yellow. Relative luminance 0.897; OKLCH L 95.5% C 0.175 H 115.5°. Best body text is #000000 at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#ECFE65
RGB	rgb(236, 254, 101)
HSL	hsl(67, 99%, 70%)
HSV	hsv(67, 60%, 100%)
CMYK	cmyk(7.1%, 0%, 60.2%, 0.4%)
CIE-LAB	lab(95.85, -25.53, 69.09)
CIE-LCH	lch(95.85, 73.65, 110.28°)
OKLab	oklab(95.55% -0.0753 0.1582)
OKLCH	oklch(95.55% 0.175 115.5)
XYZ	xyz(72.3844, 89.6571, 25.8018)
Luminance	0.8966 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFE65 #7765FE

analogous

#FEC465 #ECFE65 #9FFE65

triadic

#ECFE65 #65ECFE #FE65EC

tetradic

#ECFE65 #65FEC4 #7765FE #FE659F

square

#ECFE65 #65FEC4 #7765FE #FE659F

split-complementary

#ECFE65 #659FFE #C465FE

monochromatic

#CCE702 #E4FE28 #ECFE65 #F4FEA2 #FBFFDF

Accessibility & contrast

On white

1.11

#ECFE65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.93

#ECFE65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFE65

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFE65	#FFFFFF	#000000	##000000
##ECFE65	1.00	1.11	18.93	18.93
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.93	21.00	1.00	1.00
##000000	18.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF253

Deuteranopia (green-blind)

#FFF46F

Tritanopia (blue-blind)

#FAF1DE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfe65;
/* rgb */ color: rgb(236, 254, 101);
/* oklch */ color: oklch(95.5% 0.175 115.5);

Tailwind

colors: {
  custom: {
    50: '#f5fe97',
    500: '#ecfe65',
    950: '#000000',
  },
}

SCSS

$custom: #ecfe65;
$custom-light: #f5fe97;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfe65",
  "rgb": {
    "r": 236,
    "g": 254,
    "b": 101
  },
  "hsl": {
    "h": 67.059,
    "s": 98.71,
    "l": 69.608
  },
  "oklch": {
    "l": 0.95546,
    "c": 0.17525,
    "h": 115.5
  },
  "luminance": 0.89656
}

Semantic roles & 50–950 ramp

primary

#ECFE65

secondary

#422ED9

accent

#00E61B

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFE65

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

Preview Lab → · Contrast checker → · Palette generator →