#ECF56F#ECF56F

#ECF56F is a very light, vivid yellow. Relative luminance 0.843; OKLCH L 93.8% C 0.157 H 112.6°. Best body text is #000000 at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#ECF56F
RGB	rgb(236, 245, 111)
HSL	hsl(64, 87%, 70%)
HSV	hsv(64, 55%, 96%)
CMYK	cmyk(3.7%, 0%, 54.7%, 3.9%)
CIE-LAB	lab(93.57, -20.52, 62.33)
CIE-LCH	lch(93.57, 65.62, 108.23°)
OKLab	oklab(93.75% -0.0602 0.145)
OKLCH	oklch(93.75% 0.157 112.6)
XYZ	xyz(70.1153, 84.2867, 27.6112)
Luminance	0.8428 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF56F #786FF5

analogous

#F5BB6F #ECF56F #A9F56F

triadic

#ECF56F #6FECF5 #F56FEC

tetradic

#ECF56F #6FF5BB #786FF5 #F56FA9

square

#ECF56F #6FF5BB #786FF5 #F56FA9

split-complementary

#ECF56F #6FA9F5 #BB6FF5

monochromatic

#CDDA0F #E4F136 #ECF56F #F4F9A8 #FBFDE1

Accessibility & contrast

On white

1.18

#ECF56F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.86

#ECF56F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF56F

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF56F	#FFFFFF	#000000	##000000
##ECF56F	1.00	1.18	17.86	17.86
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.86	21.00	1.00	1.00
##000000	17.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB61

Deuteranopia (green-blind)

#FFEE77

Tritanopia (blue-blind)

#FAE8D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf56f;
/* rgb */ color: rgb(236, 245, 111);
/* oklch */ color: oklch(93.8% 0.157 112.6);

Tailwind

colors: {
  custom: {
    50: '#f5f89c',
    500: '#ecf56f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf56f;
$custom-light: #f5f89c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf56f",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 111
  },
  "hsl": {
    "h": 64.03,
    "s": 87.013,
    "l": 69.804
  },
  "oklch": {
    "l": 0.9375,
    "c": 0.15702,
    "h": 112.6
  },
  "luminance": 0.84285
}

Semantic roles & 50–950 ramp

primary

#ECF56F

secondary

#4339CF

accent

#02E411

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF56F

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

Preview Lab → · Contrast checker → · Palette generator →