#ECF861#ECF861

#ECF861 is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.2% C 0.172 H 113.5°. Best body text is #000000 at 18.17:1 contrast (WCAG AA passes).

Color values

HEX	#ECF861
RGB	rgb(236, 248, 97)
HSL	hsl(65, 92%, 68%)
HSV	hsv(65, 61%, 97%)
CMYK	cmyk(4.8%, 0%, 60.9%, 2.7%)
CIE-LAB	lab(94.24, -22.96, 68.97)
CIE-LCH	lch(94.24, 72.69, 108.41°)
OKLab	oklab(94.24% -0.0685 0.1575)
OKLCH	oklch(94.24% 0.172 113.5)
XYZ	xyz(70.3189, 85.8321, 24.1699)
Luminance	0.8583 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF861 #6D61F8

analogous

#F8B861 #ECF861 #A1F861

triadic

#ECF861 #61ECF8 #F861EC

tetradic

#ECF861 #61F8B8 #6D61F8 #F861A1

square

#ECF861 #61F8B8 #6D61F8 #F861A1

split-complementary

#ECF861 #61A1F8 #B861F8

monochromatic

#C5D509 #E5F526 #ECF861 #F3FB9C #FAFDD6

Accessibility & contrast

On white

1.16

#ECF861 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.17

#ECF861 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF861

18.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF861	#FFFFFF	#000000	##000000
##ECF861	1.00	1.16	18.17	18.17
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.17	21.00	1.00	1.00
##000000	18.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED4F

Deuteranopia (green-blind)

#FFF06B

Tritanopia (blue-blind)

#FAEAD8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf861;
/* rgb */ color: rgb(236, 248, 97);
/* oklch */ color: oklch(94.2% 0.172 113.5);

Tailwind

colors: {
  custom: {
    50: '#f5fa94',
    500: '#ecf861',
    950: '#000000',
  },
}

SCSS

$custom: #ecf861;
$custom-light: #f5fa94;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf861",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 97
  },
  "hsl": {
    "h": 64.768,
    "s": 91.515,
    "l": 67.647
  },
  "oklch": {
    "l": 0.94243,
    "c": 0.17173,
    "h": 113.5
  },
  "luminance": 0.85831
}

Semantic roles & 50–950 ramp

primary

#ECF861

secondary

#3A2DD0

accent

#00E612

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF861

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

Preview Lab → · Contrast checker → · Palette generator →