#ECFB69#ECFB69

#ECFB69 is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.0% C 0.169 H 114.6°. Best body text is #000000 at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB69
RGB	rgb(236, 251, 105)
HSL	hsl(66, 95%, 70%)
HSV	hsv(66, 58%, 98%)
CMYK	cmyk(6%, 0%, 58.2%, 1.6%)
CIE-LAB	lab(95.10, -23.83, 66.61)
CIE-LCH	lch(95.10, 70.74, 109.69°)
OKLab	oklab(94.95% -0.0702 0.1535)
OKLCH	oklch(94.95% 0.169 114.6)
XYZ	xyz(71.6406, 87.8483, 26.5443)
Luminance	0.8785 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB69 #7869FB

analogous

#FBC169 #ECFB69 #A3FB69

triadic

#ECFB69 #69ECFB #FB69EC

tetradic

#ECFB69 #69FBC1 #7869FB #FB69A3

square

#ECFB69 #69FBC1 #7869FB #FB69A3

split-complementary

#ECFB69 #69A3FB #C169FB

monochromatic

#CDE406 #E4F92D #ECFB69 #F4FDA5 #FBFEE0

Accessibility & contrast

On white

1.13

#ECFB69 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.57

#ECFB69 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB69

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB69	#FFFFFF	#000000	##000000
##ECFB69	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)

#FFF059

Deuteranopia (green-blind)

#FFF272

Tritanopia (blue-blind)

#FAEEDC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb69;
/* rgb */ color: rgb(236, 251, 105);
/* oklch */ color: oklch(95.0% 0.169 114.6);

Tailwind

colors: {
  custom: {
    50: '#f5fc99',
    500: '#ecfb69',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb69;
$custom-light: #f5fc99;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb69",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 105
  },
  "hsl": {
    "h": 66.164,
    "s": 94.805,
    "l": 69.804
  },
  "oklch": {
    "l": 0.9495,
    "c": 0.16874,
    "h": 114.6
  },
  "luminance": 0.87847
}

Semantic roles & 50–950 ramp

primary

#ECFB69

secondary

#4333D6

accent

#00E618

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFB69

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

Preview Lab → · Contrast checker → · Palette generator →