#ECFE5D#ECFE5D

#ECFE5D is a very light, vivid yellow. Relative luminance 0.895; OKLCH L 95.5% C 0.181 H 115.3°. Best body text is #000000 at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#ECFE5D
RGB	rgb(236, 254, 93)
HSL	hsl(67, 99%, 68%)
HSV	hsv(67, 63%, 100%)
CMYK	cmyk(7.1%, 0%, 63.4%, 0.4%)
CIE-LAB	lab(95.79, -26.05, 72.21)
CIE-LCH	lch(95.79, 76.76, 109.84°)
OKLab	oklab(95.48% -0.0776 0.1638)
OKLCH	oklch(95.48% 0.181 115.3)
XYZ	xyz(72.0113, 89.5079, 23.8371)
Luminance	0.8951 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFE5D #6F5DFE

analogous

#FEBF5D #ECFE5D #9BFE5D

triadic

#ECFE5D #5DECFE #FE5DEC

tetradic

#ECFE5D #5DFEBF #6F5DFE #FE5D9B

square

#ECFE5D #5DFEBF #6F5DFE #FE5D9B

split-complementary

#ECFE5D #5D9BFE #BF5DFE

monochromatic

#C6DF01 #E5FE20 #ECFE5D #F3FE9A #FAFFD7

Accessibility & contrast

On white

1.11

#ECFE5D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.90

#ECFE5D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFE5D

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFE5D	#FFFFFF	#000000	##000000
##ECFE5D	1.00	1.11	18.90	18.90
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.90	21.00	1.00	1.00
##000000	18.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF248

Deuteranopia (green-blind)

#FFF468

Tritanopia (blue-blind)

#FAF0DD

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfe5d;
/* rgb */ color: rgb(236, 254, 93);
/* oklch */ color: oklch(95.5% 0.181 115.3);

Tailwind

colors: {
  custom: {
    50: '#f5fe92',
    500: '#ecfe5d',
    950: '#000000',
  },
}

SCSS

$custom: #ecfe5d;
$custom-light: #f5fe92;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfe5d",
  "rgb": {
    "r": 236,
    "g": 254,
    "b": 93
  },
  "hsl": {
    "h": 66.708,
    "s": 98.773,
    "l": 68.039
  },
  "oklch": {
    "l": 0.95476,
    "c": 0.18119,
    "h": 115.3
  },
  "luminance": 0.89507
}

Semantic roles & 50–950 ramp

primary

#ECFE5D

secondary

#3B28D8

accent

#00E61A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170D

muted

#86857F

Preview Lab

Preview with #ECFE5D

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

Preview Lab → · Contrast checker → · Palette generator →