#ECF865#ECF865

#ECF865 is a very light, vivid yellow. Relative luminance 0.859; OKLCH L 94.3% C 0.169 H 113.5°. Best body text is #000000 at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#ECF865
RGB	rgb(236, 248, 101)
HSL	hsl(65, 91%, 68%)
HSV	hsv(65, 59%, 97%)
CMYK	cmyk(4.8%, 0%, 59.3%, 2.7%)
CIE-LAB	lab(94.27, -22.69, 67.37)
CIE-LCH	lch(94.27, 71.09, 108.61°)
OKLab	oklab(94.28% -0.0674 0.1546)
OKLCH	oklch(94.28% 0.169 113.5)
XYZ	xyz(70.5101, 85.9086, 25.1770)
Luminance	0.8591 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF865 #7165F8

analogous

#F8BA65 #ECF865 #A2F865

triadic

#ECF865 #65ECF8 #F865EC

tetradic

#ECF865 #65F8BA #7165F8 #F865A2

square

#ECF865 #65F8BA #7165F8 #F865A2

split-complementary

#ECF865 #65A2F8 #BA65F8

monochromatic

#C8D90A #E5F52A #ECF865 #F3FBA0 #FAFDDA

Accessibility & contrast

On white

1.16

#ECF865 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.18

#ECF865 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF865

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF865	#FFFFFF	#000000	##000000
##ECF865	1.00	1.16	18.18	18.18
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.18	21.00	1.00	1.00
##000000	18.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED54

Deuteranopia (green-blind)

#FFF06E

Tritanopia (blue-blind)

#FAEBD9

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf865;
/* rgb */ color: rgb(236, 248, 101);
/* oklch */ color: oklch(94.3% 0.169 113.5);

Tailwind

colors: {
  custom: {
    50: '#f5fa96',
    500: '#ecf865',
    950: '#000000',
  },
}

SCSS

$custom: #ecf865;
$custom-light: #f5fa96;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf865",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 101
  },
  "hsl": {
    "h": 64.898,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.9428,
    "c": 0.16862,
    "h": 113.5
  },
  "luminance": 0.85907
}

Semantic roles & 50–950 ramp

primary

#ECF865

secondary

#3D30D1

accent

#00E613

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF865

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

Preview Lab → · Contrast checker → · Palette generator →