#ECF690#ECF690

#ECF690 is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.4% C 0.126 H 113.4°. Best body text is #000000 at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#ECF690
RGB	rgb(236, 246, 144)
HSL	hsl(66, 85%, 76%)
HSV	hsv(66, 41%, 96%)
CMYK	cmyk(4.1%, 0%, 41.5%, 3.5%)
CIE-LAB	lab(94.21, -18.02, 47.85)
CIE-LCH	lch(94.21, 51.13, 110.64°)
OKLab	oklab(94.38% -0.0501 0.1159)
OKLCH	oklch(94.38% 0.126 113.4)
XYZ	xyz(72.5827, 85.7590, 39.1097)
Luminance	0.8576 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF690 #9A90F6

analogous

#F6CD90 #ECF690 #B9F690

triadic

#ECF690 #90ECF6 #F690EC

tetradic

#ECF690 #90F6CD #9A90F6 #F690B9

square

#ECF690 #90F6CD #9A90F6 #F690B9

split-complementary

#ECF690 #90B9F6 #CD90F6

monochromatic

#D9ED1F #E2F157 #ECF690 #F6FBC9 #FAFDE3

Accessibility & contrast

On white

1.16

#ECF690 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.15

#ECF690 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF690

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF690	#FFFFFF	#000000	##000000
##ECF690	1.00	1.16	18.15	18.15
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.15	21.00	1.00	1.00
##000000	18.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED88

Deuteranopia (green-blind)

#FFF095

Tritanopia (blue-blind)

#F7EBDD

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf690;
/* rgb */ color: rgb(236, 246, 144);
/* oklch */ color: oklch(94.4% 0.126 113.4);

Tailwind

colors: {
  custom: {
    50: '#f3f9b2',
    500: '#ecf690',
    950: '#000000',
  },
}

SCSS

$custom: #ecf690;
$custom-light: #f3f9b2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf690",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 144
  },
  "hsl": {
    "h": 65.882,
    "s": 85,
    "l": 76.471
  },
  "oklch": {
    "l": 0.94377,
    "c": 0.12624,
    "h": 113.4
  },
  "luminance": 0.85758
}

Semantic roles & 50–950 ramp

primary

#ECF690

secondary

#6256D4

accent

#04E11A

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF690

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

Preview Lab → · Contrast checker → · Palette generator →