#ECF185#ECF185

#ECF185 is a very light, vivid yellow. Relative luminance 0.824; OKLCH L 93.2% C 0.132 H 111.0°. Best body text is #000000 at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#ECF185
RGB	rgb(236, 241, 133)
HSL	hsl(63, 79%, 73%)
HSV	hsv(63, 45%, 95%)
CMYK	cmyk(2.1%, 0%, 44.8%, 5.5%)
CIE-LAB	lab(92.77, -16.69, 51.32)
CIE-LCH	lch(92.77, 53.97, 108.01°)
OKLab	oklab(93.18% -0.0473 0.1229)
OKLCH	oklch(93.18% 0.132 111)
XYZ	xyz(70.2822, 82.4382, 34.3956)
Luminance	0.8244 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF185 #8A85F1

analogous

#F1C085 #ECF185 #B6F185

triadic

#ECF185 #85ECF1 #F185EC

tetradic

#ECF185 #85F1C0 #8A85F1 #F185B6

square

#ECF185 #85F1C0 #8A85F1 #F185B6

split-complementary

#ECF185 #85B6F1 #C085F1

monochromatic

#D8E21A #E3EB4E #ECF185 #F5F7BC #FBFCE4

Accessibility & contrast

On white

1.20

#ECF185 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.49

#ECF185 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF185

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF185	#FFFFFF	#000000	##000000
##ECF185	1.00	1.20	17.49	17.49
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.49	21.00	1.00	1.00
##000000	17.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE97C

Deuteranopia (green-blind)

#FFEC8A

Tritanopia (blue-blind)

#F9E6D8

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf185;
/* rgb */ color: rgb(236, 241, 133);
/* oklch */ color: oklch(93.2% 0.132 111.0);

Tailwind

colors: {
  custom: {
    50: '#f4f5aa',
    500: '#ecf185',
    950: '#000000',
  },
}

SCSS

$custom: #ecf185;
$custom-light: #f4f5aa;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf185",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 133
  },
  "hsl": {
    "h": 62.778,
    "s": 79.412,
    "l": 73.333
  },
  "oklch": {
    "l": 0.93183,
    "c": 0.1317,
    "h": 111
  },
  "luminance": 0.82437
}

Semantic roles & 50–950 ramp

primary

#ECF185

secondary

#544ECC

accent

#0ADC14

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF185

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

Preview Lab → · Contrast checker → · Palette generator →