#ECFE5F#ECFE5F

#ECFE5F is a very light, vivid yellow. Relative luminance 0.895; OKLCH L 95.5% C 0.180 H 115.4°. Best body text is #000000 at 18.91:1 contrast (WCAG AA passes).

Color values

HEX	#ECFE5F
RGB	rgb(236, 254, 95)
HSL	hsl(67, 99%, 68%)
HSV	hsv(67, 63%, 100%)
CMYK	cmyk(7.1%, 0%, 62.6%, 0.4%)
CIE-LAB	lab(95.81, -25.92, 71.44)
CIE-LCH	lch(95.81, 76.00, 109.94°)
OKLab	oklab(95.49% -0.077 0.1624)
OKLCH	oklch(95.49% 0.18 115.4)
XYZ	xyz(72.1011, 89.5438, 24.3097)
Luminance	0.8954 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFE5F #715FFE

analogous

#FEC05F #ECFE5F #9CFE5F

triadic

#ECFE5F #5FECFE #FE5FEC

tetradic

#ECFE5F #5FFEC0 #715FFE #FE5F9C

square

#ECFE5F #5FFEC0 #715FFE #FE5F9C

split-complementary

#ECFE5F #5F9CFE #C05FFE

monochromatic

#C8E101 #E5FE22 #ECFE5F #F3FE9C #FAFFD9

Accessibility & contrast

On white

1.11

#ECFE5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.91

#ECFE5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFE5F

18.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFE5F	#FFFFFF	#000000	##000000
##ECFE5F	1.00	1.11	18.91	18.91
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.91	21.00	1.00	1.00
##000000	18.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF24B

Deuteranopia (green-blind)

#FFF46A

Tritanopia (blue-blind)

#FAF0DD

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfe5f;
/* rgb */ color: rgb(236, 254, 95);
/* oklch */ color: oklch(95.5% 0.180 115.4);

Tailwind

colors: {
  custom: {
    50: '#f5fe93',
    500: '#ecfe5f',
    950: '#000000',
  },
}

SCSS

$custom: #ecfe5f;
$custom-light: #f5fe93;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfe5f",
  "rgb": {
    "r": 236,
    "g": 254,
    "b": 95
  },
  "hsl": {
    "h": 66.792,
    "s": 98.758,
    "l": 68.431
  },
  "oklch": {
    "l": 0.95493,
    "c": 0.17975,
    "h": 115.4
  },
  "luminance": 0.89543
}

Semantic roles & 50–950 ramp

primary

#ECFE5F

secondary

#3D29D8

accent

#00E61A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFE5F

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

Preview Lab → · Contrast checker → · Palette generator →