#ECFD65#ECFD65

#ECFD65 is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.3% C 0.174 H 115.2°. Best body text is #000000 at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD65
RGB	rgb(236, 253, 101)
HSL	hsl(67, 97%, 69%)
HSV	hsv(67, 60%, 99%)
CMYK	cmyk(6.7%, 0%, 60.1%, 0.8%)
CIE-LAB	lab(95.59, -25.06, 68.80)
CIE-LCH	lch(95.59, 73.22, 110.01°)
OKLab	oklab(95.33% -0.074 0.1576)
OKLCH	oklch(95.33% 0.174 115.2)
XYZ	xyz(72.0679, 89.0241, 25.6963)
Luminance	0.8902 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD65 #7665FD

analogous

#FDC265 #ECFD65 #A0FD65

triadic

#ECFD65 #65ECFD #FD65EC

tetradic

#ECFD65 #65FDC2 #7665FD #FD65A0

square

#ECFD65 #65FDC2 #7665FD #FD65A0

split-complementary

#ECFD65 #65A0FD #C265FD

monochromatic

#CBE503 #E5FC29 #ECFD65 #F3FEA1 #FBFFDE

Accessibility & contrast

On white

1.12

#ECFD65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.80

#ECFD65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD65

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD65	#FFFFFF	#000000	##000000
##ECFD65	1.00	1.12	18.80	18.80
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.80	21.00	1.00	1.00
##000000	18.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF153

Deuteranopia (green-blind)

#FFF46F

Tritanopia (blue-blind)

#FAF0DD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfd65;
/* rgb */ color: rgb(236, 253, 101);
/* oklch */ color: oklch(95.3% 0.174 115.2);

Tailwind

colors: {
  custom: {
    50: '#f5fe97',
    500: '#ecfd65',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd65;
$custom-light: #f5fe97;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd65",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 101
  },
  "hsl": {
    "h": 66.711,
    "s": 97.436,
    "l": 69.412
  },
  "oklch": {
    "l": 0.95334,
    "c": 0.17414,
    "h": 115.2
  },
  "luminance": 0.89023
}

Semantic roles & 50–950 ramp

primary

#ECFD65

secondary

#412FD8

accent

#00E61A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFD65

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

Preview Lab → · Contrast checker → · Palette generator →