#ECF189#ECF189

#ECF189 is a very light, vivid yellow. Relative luminance 0.826; OKLCH L 93.2% C 0.128 H 111.0°. Best body text is #000000 at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#ECF189
RGB	rgb(236, 241, 137)
HSL	hsl(63, 79%, 74%)
HSV	hsv(63, 43%, 95%)
CMYK	cmyk(2.1%, 0%, 43.2%, 5.5%)
CIE-LAB	lab(92.82, -16.30, 49.48)
CIE-LCH	lch(92.82, 52.09, 108.23°)
OKLab	oklab(93.24% -0.0458 0.1191)
OKLCH	oklch(93.24% 0.128 111)
XYZ	xyz(70.5638, 82.5509, 35.8788)
Luminance	0.8255 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF189 #8E89F1

analogous

#F1C289 #ECF189 #B8F189

triadic

#ECF189 #89ECF1 #F189EC

tetradic

#ECF189 #89F1C2 #8E89F1 #F189B8

square

#ECF189 #89F1C2 #8E89F1 #F189B8

split-complementary

#ECF189 #89B8F1 #C289F1

monochromatic

#DAE41C #E3EB52 #ECF189 #F5F7C0 #FBFCE4

Accessibility & contrast

On white

1.20

#ECF189 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.51

#ECF189 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF189

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF189	#FFFFFF	#000000	##000000
##ECF189	1.00	1.20	17.51	17.51
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.51	21.00	1.00	1.00
##000000	17.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE980

Deuteranopia (green-blind)

#FFEC8E

Tritanopia (blue-blind)

#F8E6D8

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf189;
/* rgb */ color: rgb(236, 241, 137);
/* oklch */ color: oklch(93.2% 0.128 111.0);

Tailwind

colors: {
  custom: {
    50: '#f4f5ad',
    500: '#ecf189',
    950: '#000000',
  },
}

SCSS

$custom: #ecf189;
$custom-light: #f4f5ad;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf189",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 137
  },
  "hsl": {
    "h": 62.885,
    "s": 78.788,
    "l": 74.118
  },
  "oklch": {
    "l": 0.93239,
    "c": 0.12759,
    "h": 111
  },
  "luminance": 0.8255
}

Semantic roles & 50–950 ramp

primary

#ECF189

secondary

#5751CD

accent

#0ADB14

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF189

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

Preview Lab → · Contrast checker → · Palette generator →