#ECF84F#ECF84F

#ECF84F is a very light, vivid yellow. Relative luminance 0.855; OKLCH L 94.1% C 0.184 H 113.4°. Best body text is #000000 at 18.11:1 contrast (WCAG AA passes).

Color values

HEX	#ECF84F
RGB	rgb(236, 248, 79)
HSL	hsl(64, 92%, 64%)
HSV	hsv(64, 68%, 97%)
CMYK	cmyk(4.8%, 0%, 68.1%, 2.7%)
CIE-LAB	lab(94.11, -24.01, 75.71)
CIE-LCH	lch(94.11, 79.42, 107.60°)
OKLab	oklab(94.1% -0.0732 0.1691)
OKLCH	oklch(94.1% 0.184 113.4)
XYZ	xyz(69.5728, 85.5336, 20.2403)
Luminance	0.8553 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF84F #5B4FF8

analogous

#F8AF4F #ECF84F #98F84F

triadic

#ECF84F #4FECF8 #F84FEC

tetradic

#ECF84F #4FF8AF #5B4FF8 #F84F98

square

#ECF84F #4FF8AF #5B4FF8 #F84F98

split-complementary

#ECF84F #4F98F8 #AF4FF8

monochromatic

#B7C508 #E6F614 #ECF84F #F2FA8A #F9FDC5

Accessibility & contrast

On white

1.16

#ECF84F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.11

#ECF84F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF84F

18.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF84F	#FFFFFF	#000000	##000000
##ECF84F	1.00	1.16	18.11	18.11
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.11	21.00	1.00	1.00
##000000	18.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC34

Deuteranopia (green-blind)

#FFF05C

Tritanopia (blue-blind)

#FBEAD7

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf84f;
/* rgb */ color: rgb(236, 248, 79);
/* oklch */ color: oklch(94.1% 0.184 113.4);

Tailwind

colors: {
  custom: {
    50: '#f6fa8a',
    500: '#ecf84f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf84f;
$custom-light: #f6fa8a;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf84f",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 79
  },
  "hsl": {
    "h": 64.26,
    "s": 92.35,
    "l": 64.118
  },
  "oklch": {
    "l": 0.941,
    "c": 0.18421,
    "h": 113.4
  },
  "luminance": 0.85532
}

Semantic roles & 50–950 ramp

primary

#ECF84F

secondary

#342AC2

accent

#00E610

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #ECF84F

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

Preview Lab → · Contrast checker → · Palette generator →