#ECF280#ECF280

#ECF280 is a very light, vivid yellow. Relative luminance 0.829; OKLCH L 93.3% C 0.138 H 111.5°. Best body text is #000000 at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#ECF280
RGB	rgb(236, 242, 128)
HSL	hsl(63, 81%, 73%)
HSV	hsv(63, 47%, 95%)
CMYK	cmyk(2.5%, 0%, 47.1%, 5.1%)
CIE-LAB	lab(92.97, -17.64, 53.92)
CIE-LCH	lch(92.97, 56.73, 108.12°)
OKLab	oklab(93.33% -0.0504 0.1283)
OKLCH	oklch(93.33% 0.138 111.5)
XYZ	xyz(70.2417, 82.8970, 32.7184)
Luminance	0.8290 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF280 #8680F2

analogous

#F2BF80 #ECF280 #B3F280

triadic

#ECF280 #80ECF2 #F280EC

tetradic

#ECF280 #80F2BF #8680F2 #F280B3

square

#ECF280 #80F2BF #8680F2 #F280B3

split-complementary

#ECF280 #80B3F2 #BF80F2

monochromatic

#D6E117 #E4EC48 #ECF280 #F4F8B8 #FBFCE3

Accessibility & contrast

On white

1.19

#ECF280 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.58

#ECF280 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF280

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF280	#FFFFFF	#000000	##000000
##ECF280	1.00	1.19	17.58	17.58
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.58	21.00	1.00	1.00
##000000	17.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE976

Deuteranopia (green-blind)

#FFEC86

Tritanopia (blue-blind)

#F9E6D8

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf280;
/* rgb */ color: rgb(236, 242, 128);
/* oklch */ color: oklch(93.3% 0.138 111.5);

Tailwind

colors: {
  custom: {
    50: '#f4f6a7',
    500: '#ecf280',
    950: '#000000',
  },
}

SCSS

$custom: #ecf280;
$custom-light: #f4f6a7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf280",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 128
  },
  "hsl": {
    "h": 63.158,
    "s": 81.429,
    "l": 72.549
  },
  "oklch": {
    "l": 0.93325,
    "c": 0.13786,
    "h": 111.5
  },
  "luminance": 0.82896
}

Semantic roles & 50–950 ramp

primary

#ECF280

secondary

#5049CD

accent

#08DE13

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#171710

muted

#858580

Preview Lab

Preview with #ECF280

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

Preview Lab → · Contrast checker → · Palette generator →