#ECFD5F#ECFD5F

#ECFD5F is a very light, vivid yellow. Relative luminance 0.889; OKLCH L 95.3% C 0.179 H 115.1°. Best body text is #000000 at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD5F
RGB	rgb(236, 253, 95)
HSL	hsl(66, 98%, 68%)
HSV	hsv(66, 62%, 99%)
CMYK	cmyk(6.7%, 0%, 62.5%, 0.8%)
CIE-LAB	lab(95.54, -25.45, 71.16)
CIE-LCH	lch(95.54, 75.58, 109.68°)
OKLab	oklab(95.28% -0.0757 0.1618)
OKLCH	oklch(95.28% 0.179 115.1)
XYZ	xyz(71.7846, 88.9108, 24.2042)
Luminance	0.8891 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD5F #705FFD

analogous

#FDBF5F #ECFD5F #9DFD5F

triadic

#ECFD5F #5FECFD #FD5FEC

tetradic

#ECFD5F #5FFDBF #705FFD #FD5F9D

square

#ECFD5F #5FFDBF #705FFD #FD5F9D

split-complementary

#ECFD5F #5F9DFD #BF5FFD

monochromatic

#C7DF03 #E5FC23 #ECFD5F #F3FE9B #FAFFD8

Accessibility & contrast

On white

1.12

#ECFD5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.78

#ECFD5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD5F

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD5F	#FFFFFF	#000000	##000000
##ECFD5F	1.00	1.12	18.78	18.78
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.78	21.00	1.00	1.00
##000000	18.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF14B

Deuteranopia (green-blind)

#FFF46A

Tritanopia (blue-blind)

#FAEFDC

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfd5f;
/* rgb */ color: rgb(236, 253, 95);
/* oklch */ color: oklch(95.3% 0.179 115.1);

Tailwind

colors: {
  custom: {
    50: '#f5fe93',
    500: '#ecfd5f',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd5f;
$custom-light: #f5fe93;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd5f",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 95
  },
  "hsl": {
    "h": 66.456,
    "s": 97.531,
    "l": 68.235
  },
  "oklch": {
    "l": 0.95281,
    "c": 0.17866,
    "h": 115.1
  },
  "luminance": 0.8891
}

Semantic roles & 50–950 ramp

primary

#ECFD5F

secondary

#3C29D7

accent

#00E619

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFD5F

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

Preview Lab → · Contrast checker → · Palette generator →