#ECFB6A#ECFB6A

#ECFB6A is a very light, vivid yellow. Relative luminance 0.879; OKLCH L 95.0% C 0.168 H 114.6°. Best body text is #000000 at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB6A
RGB	rgb(236, 251, 106)
HSL	hsl(66, 95%, 70%)
HSV	hsv(66, 58%, 98%)
CMYK	cmyk(6%, 0%, 57.8%, 1.6%)
CIE-LAB	lab(95.11, -23.76, 66.20)
CIE-LCH	lch(95.11, 70.33, 109.75°)
OKLab	oklab(94.96% -0.0699 0.1527)
OKLCH	oklch(94.96% 0.168 114.6)
XYZ	xyz(71.6923, 87.8690, 26.8166)
Luminance	0.8787 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB6A #796AFB

analogous

#FBC26A #ECFB6A #A3FB6A

triadic

#ECFB6A #6AECFB #FB6AEC

tetradic

#ECFB6A #6AFBC2 #796AFB #FB6AA3

square

#ECFB6A #6AFBC2 #796AFB #FB6AA3

split-complementary

#ECFB6A #6AA3FB #C26AFB

monochromatic

#CDE406 #E4F92E #ECFB6A #F4FDA6 #FBFEE1

Accessibility & contrast

On white

1.13

#ECFB6A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.57

#ECFB6A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB6A

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB6A	#FFFFFF	#000000	##000000
##ECFB6A	1.00	1.13	18.57	18.57
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.57	21.00	1.00	1.00
##000000	18.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF05A

Deuteranopia (green-blind)

#FFF273

Tritanopia (blue-blind)

#FAEEDC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb6a;
/* rgb */ color: rgb(236, 251, 106);
/* oklch */ color: oklch(95.0% 0.168 114.6);

Tailwind

colors: {
  custom: {
    50: '#f5fc9a',
    500: '#ecfb6a',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb6a;
$custom-light: #f5fc9a;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb6a",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 106
  },
  "hsl": {
    "h": 66.207,
    "s": 94.771,
    "l": 70
  },
  "oklch": {
    "l": 0.9496,
    "c": 0.16793,
    "h": 114.6
  },
  "luminance": 0.87868
}

Semantic roles & 50–950 ramp

primary

#ECFB6A

secondary

#4433D6

accent

#00E618

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFB6A

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

Preview Lab → · Contrast checker → · Palette generator →