#ECFB6F#ECFB6F

#ECFB6F is a very light, vivid yellow. Relative luminance 0.880; OKLCH L 95.0% C 0.164 H 114.7°. Best body text is #000000 at 18.60:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB6F
RGB	rgb(236, 251, 111)
HSL	hsl(66, 95%, 71%)
HSV	hsv(66, 56%, 98%)
CMYK	cmyk(6%, 0%, 55.8%, 1.6%)
CIE-LAB	lab(95.15, -23.39, 64.11)
CIE-LCH	lch(95.15, 68.25, 110.04°)
OKLab	oklab(95.01% -0.0683 0.1488)
OKLCH	oklch(95.01% 0.164 114.7)
XYZ	xyz(71.9599, 87.9760, 28.2261)
Luminance	0.8798 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB6F #7E6FFB

analogous

#FBC46F #ECFB6F #A6FB6F

triadic

#ECFB6F #6FECFB #FB6FEC

tetradic

#ECFB6F #6FFBC4 #7E6FFB #FB6FA6

square

#ECFB6F #6FFBC4 #7E6FFB #FB6FA6

split-complementary

#ECFB6F #6FA6FB #C46FFB

monochromatic

#D1E906 #E4F933 #ECFB6F #F4FDAB #FBFEE1

Accessibility & contrast

On white

1.13

#ECFB6F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.60

#ECFB6F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB6F

18.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB6F	#FFFFFF	#000000	##000000
##ECFB6F	1.00	1.13	18.60	18.60
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.60	21.00	1.00	1.00
##000000	18.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF060

Deuteranopia (green-blind)

#FFF277

Tritanopia (blue-blind)

#F9EEDC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb6f;
/* rgb */ color: rgb(236, 251, 111);
/* oklch */ color: oklch(95.0% 0.164 114.7);

Tailwind

colors: {
  custom: {
    50: '#f5fc9d',
    500: '#ecfb6f',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb6f;
$custom-light: #f5fc9d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb6f",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 111
  },
  "hsl": {
    "h": 66.429,
    "s": 94.595,
    "l": 70.98
  },
  "oklch": {
    "l": 0.9501,
    "c": 0.16377,
    "h": 114.7
  },
  "luminance": 0.87975
}

Semantic roles & 50–950 ramp

primary

#ECFB6F

secondary

#4938D6

accent

#00E619

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFB6F

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

Preview Lab → · Contrast checker → · Palette generator →