#ECF56E#ECF56E

#ECF56E is a very light, vivid yellow. Relative luminance 0.843; OKLCH L 93.7% C 0.158 H 112.6°. Best body text is #000000 at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#ECF56E
RGB	rgb(236, 245, 110)
HSL	hsl(64, 87%, 70%)
HSV	hsv(64, 55%, 96%)
CMYK	cmyk(3.7%, 0%, 55.1%, 3.9%)
CIE-LAB	lab(93.57, -20.60, 62.76)
CIE-LCH	lch(93.57, 66.05, 108.17°)
OKLab	oklab(93.74% -0.0606 0.1458)
OKLCH	oklch(93.74% 0.158 112.6)
XYZ	xyz(70.0605, 84.2648, 27.3229)
Luminance	0.8426 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF56E #776EF5

analogous

#F5BB6E #ECF56E #A9F56E

triadic

#ECF56E #6EECF5 #F56EEC

tetradic

#ECF56E #6EF5BB #776EF5 #F56EA9

square

#ECF56E #6EF5BB #776EF5 #F56EA9

split-complementary

#ECF56E #6EA9F5 #BB6EF5

monochromatic

#CCDA0F #E4F135 #ECF56E #F4F9A7 #FBFDE1

Accessibility & contrast

On white

1.18

#ECF56E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.85

#ECF56E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF56E

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF56E	#FFFFFF	#000000	##000000
##ECF56E	1.00	1.18	17.85	17.85
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.85	21.00	1.00	1.00
##000000	17.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB60

Deuteranopia (green-blind)

#FFEE76

Tritanopia (blue-blind)

#FAE8D7

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf56e;
/* rgb */ color: rgb(236, 245, 110);
/* oklch */ color: oklch(93.7% 0.158 112.6);

Tailwind

colors: {
  custom: {
    50: '#f5f89c',
    500: '#ecf56e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf56e;
$custom-light: #f5f89c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf56e",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 110
  },
  "hsl": {
    "h": 64,
    "s": 87.097,
    "l": 69.608
  },
  "oklch": {
    "l": 0.9374,
    "c": 0.15788,
    "h": 112.6
  },
  "luminance": 0.84263
}

Semantic roles & 50–950 ramp

primary

#ECF56E

secondary

#4238CF

accent

#02E411

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF56E

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

Preview Lab → · Contrast checker → · Palette generator →