#ECF285#ECF285

#ECF285 is a very light, vivid yellow. Relative luminance 0.830; OKLCH L 93.4% C 0.133 H 111.5°. Best body text is #000000 at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#ECF285
RGB	rgb(236, 242, 133)
HSL	hsl(63, 81%, 74%)
HSV	hsv(63, 45%, 95%)
CMYK	cmyk(2.5%, 0%, 45%, 5.1%)
CIE-LAB	lab(93.03, -17.18, 51.64)
CIE-LCH	lch(93.03, 54.42, 108.40°)
OKLab	oklab(93.39% -0.0486 0.1236)
OKLCH	oklch(93.39% 0.133 111.5)
XYZ	xyz(70.5790, 83.0319, 34.4945)
Luminance	0.8303 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF285 #8B85F2

analogous

#F2C185 #ECF285 #B5F285

triadic

#ECF285 #85ECF2 #F285EC

tetradic

#ECF285 #85F2C1 #8B85F2 #F285B5

square

#ECF285 #85F2C1 #8B85F2 #F285B5

split-complementary

#ECF285 #85B5F2 #C185F2

monochromatic

#D9E418 #E3EC4E #ECF285 #F5F8BC #FBFCE3

Accessibility & contrast

On white

1.19

#ECF285 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.61

#ECF285 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF285

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF285	#FFFFFF	#000000	##000000
##ECF285	1.00	1.19	17.61	17.61
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.61	21.00	1.00	1.00
##000000	17.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE97C

Deuteranopia (green-blind)

#FFED8A

Tritanopia (blue-blind)

#F9E7D8

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf285;
/* rgb */ color: rgb(236, 242, 133);
/* oklch */ color: oklch(93.4% 0.133 111.5);

Tailwind

colors: {
  custom: {
    50: '#f4f6aa',
    500: '#ecf285',
    950: '#000000',
  },
}

SCSS

$custom: #ecf285;
$custom-light: #f4f6aa;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf285",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 133
  },
  "hsl": {
    "h": 63.303,
    "s": 80.741,
    "l": 73.529
  },
  "oklch": {
    "l": 0.93391,
    "c": 0.13287,
    "h": 111.5
  },
  "luminance": 0.83031
}

Semantic roles & 50–950 ramp

primary

#ECF285

secondary

#554ECE

accent

#08DD14

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF285

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

Preview Lab → · Contrast checker → · Palette generator →