#ECFC90#ECFC90

#ECFC90 is a very light, vivid yellow. Relative luminance 0.895; OKLCH L 95.6% C 0.134 H 115.9°. Best body text is #000000 at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC90
RGB	rgb(236, 252, 144)
HSL	hsl(69, 95%, 78%)
HSV	hsv(69, 43%, 99%)
CMYK	cmyk(6.3%, 0%, 42.9%, 1.2%)
CIE-LAB	lab(95.78, -20.91, 49.80)
CIE-LCH	lch(95.78, 54.02, 112.78°)
OKLab	oklab(95.63% -0.0584 0.1202)
OKLCH	oklch(95.63% 0.134 115.9)
XYZ	xyz(74.4372, 89.4681, 39.7279)
Luminance	0.8947 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC90 #A090FC

analogous

#FCD690 #ECFC90 #B6FC90

triadic

#ECFC90 #90ECFC #FC90EC

tetradic

#ECFC90 #90FCD6 #A090FC #FC90B6

square

#ECFC90 #90FCD6 #A090FC #FC90B6

split-complementary

#ECFC90 #90B6FC #D690FC

monochromatic

#D8F919 #E2FA54 #ECFC90 #F6FECC #FAFEE1

Accessibility & contrast

On white

1.11

#ECFC90 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.89

#ECFC90 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC90

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC90	#FFFFFF	#000000	##000000
##ECFC90	1.00	1.11	18.89	18.89
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.89	21.00	1.00	1.00
##000000	18.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF287

Deuteranopia (green-blind)

#FFF495

Tritanopia (blue-blind)

#F7F1E2

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfc90;
/* rgb */ color: rgb(236, 252, 144);
/* oklch */ color: oklch(95.6% 0.134 115.9);

Tailwind

colors: {
  custom: {
    50: '#f3fdb2',
    500: '#ecfc90',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc90;
$custom-light: #f3fdb2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc90",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 144
  },
  "hsl": {
    "h": 68.889,
    "s": 94.737,
    "l": 77.647
  },
  "oklch": {
    "l": 0.95627,
    "c": 0.13366,
    "h": 115.9
  },
  "luminance": 0.89467
}

Semantic roles & 50–950 ramp

primary

#ECFC90

secondary

#6854DC

accent

#00E622

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECFC90

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

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