#ECF85F#ECF85F

#ECF85F is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.2% C 0.173 H 113.5°. Best body text is #000000 at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#ECF85F
RGB	rgb(236, 248, 95)
HSL	hsl(65, 92%, 67%)
HSV	hsv(65, 62%, 97%)
CMYK	cmyk(4.8%, 0%, 61.7%, 2.7%)
CIE-LAB	lab(94.22, -23.09, 69.76)
CIE-LCH	lch(94.22, 73.48, 108.31°)
OKLab	oklab(94.23% -0.0691 0.1589)
OKLCH	oklch(94.23% 0.173 113.5)
XYZ	xyz(70.2268, 85.7952, 23.6849)
Luminance	0.8579 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF85F #6B5FF8

analogous

#F8B85F #ECF85F #9FF85F

triadic

#ECF85F #5FECF8 #F85FEC

tetradic

#ECF85F #5FF8B8 #6B5FF8 #F85F9F

square

#ECF85F #5FF8B8 #6B5FF8 #F85F9F

split-complementary

#ECF85F #5F9FF8 #B85FF8

monochromatic

#C4D309 #E5F524 #ECF85F #F3FB9A #FAFDD4

Accessibility & contrast

On white

1.16

#ECF85F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.16

#ECF85F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF85F

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF85F	#FFFFFF	#000000	##000000
##ECF85F	1.00	1.16	18.16	18.16
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.16	21.00	1.00	1.00
##000000	18.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED4C

Deuteranopia (green-blind)

#FFF069

Tritanopia (blue-blind)

#FBEAD8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf85f;
/* rgb */ color: rgb(236, 248, 95);
/* oklch */ color: oklch(94.2% 0.173 113.5);

Tailwind

colors: {
  custom: {
    50: '#f5fa93',
    500: '#ecf85f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf85f;
$custom-light: #f5fa93;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf85f",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 95
  },
  "hsl": {
    "h": 64.706,
    "s": 91.617,
    "l": 67.255
  },
  "oklch": {
    "l": 0.94225,
    "c": 0.17323,
    "h": 113.5
  },
  "luminance": 0.85794
}

Semantic roles & 50–950 ramp

primary

#ECF85F

secondary

#3A2DCE

accent

#00E612

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECF85F

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

Preview Lab → · Contrast checker → · Palette generator →