#ECF089#ECF089

#ECF089 is a very light, vivid yellow. Relative luminance 0.820; OKLCH L 93.0% C 0.126 H 110.6°. Best body text is #000000 at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#ECF089
RGB	rgb(236, 240, 137)
HSL	hsl(62, 77%, 74%)
HSV	hsv(62, 43%, 94%)
CMYK	cmyk(1.7%, 0%, 42.9%, 5.9%)
CIE-LAB	lab(92.56, -15.81, 49.15)
CIE-LCH	lch(92.56, 51.63, 107.83°)
OKLab	oklab(93.03% -0.0444 0.1184)
OKLCH	oklch(93.03% 0.126 110.6)
XYZ	xyz(70.2686, 81.9605, 35.7804)
Luminance	0.8196 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF089 #8D89F0

analogous

#F0C189 #ECF089 #B9F089

triadic

#ECF089 #89ECF0 #F089EC

tetradic

#ECF089 #89F0C1 #8D89F0 #F089B9

square

#ECF089 #89F0C1 #8D89F0 #F089B9

split-complementary

#ECF089 #89B9F0 #C189F0

monochromatic

#DAE21D #E3E953 #ECF089 #F5F7BF #FBFCE4

Accessibility & contrast

On white

1.21

#ECF089 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.39

#ECF089 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF089

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF089	#FFFFFF	#000000	##000000
##ECF089	1.00	1.21	17.39	17.39
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.39	21.00	1.00	1.00
##000000	17.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE881

Deuteranopia (green-blind)

#FFEB8E

Tritanopia (blue-blind)

#F8E5D7

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf089;
/* rgb */ color: rgb(236, 240, 137);
/* oklch */ color: oklch(93.0% 0.126 110.6);

Tailwind

colors: {
  custom: {
    50: '#f4f4ad',
    500: '#ecf089',
    950: '#000000',
  },
}

SCSS

$custom: #ecf089;
$custom-light: #f4f4ad;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf089",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 137
  },
  "hsl": {
    "h": 62.33,
    "s": 77.444,
    "l": 73.922
  },
  "oklch": {
    "l": 0.93032,
    "c": 0.12643,
    "h": 110.6
  },
  "luminance": 0.81959
}

Semantic roles & 50–950 ramp

primary

#ECF089

secondary

#5652CC

accent

#0CDA14

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF089

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

Preview Lab → · Contrast checker → · Palette generator →