#ECFB68#ECFB68

#ECFB68 is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 94.9% C 0.170 H 114.6°. Best body text is #000000 at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB68
RGB	rgb(236, 251, 104)
HSL	hsl(66, 95%, 70%)
HSV	hsv(66, 59%, 98%)
CMYK	cmyk(6%, 0%, 58.6%, 1.6%)
CIE-LAB	lab(95.09, -23.90, 67.02)
CIE-LCH	lch(95.09, 71.15, 109.63°)
OKLab	oklab(94.94% -0.0705 0.1542)
OKLCH	oklch(94.94% 0.17 114.6)
XYZ	xyz(71.5895, 87.8279, 26.2752)
Luminance	0.8783 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB68 #7768FB

analogous

#FBC068 #ECFB68 #A3FB68

triadic

#ECFB68 #68ECFB #FB68EC

tetradic

#ECFB68 #68FBC0 #7768FB #FB68A3

square

#ECFB68 #68FBC0 #7768FB #FB68A3

split-complementary

#ECFB68 #68A3FB #C068FB

monochromatic

#CCE306 #E4F92C #ECFB68 #F4FDA4 #FBFEDF

Accessibility & contrast

On white

1.13

#ECFB68 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.57

#ECFB68 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB68

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB68	#FFFFFF	#000000	##000000
##ECFB68	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)

#FFF057

Deuteranopia (green-blind)

#FFF271

Tritanopia (blue-blind)

#FAEEDC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb68;
/* rgb */ color: rgb(236, 251, 104);
/* oklch */ color: oklch(94.9% 0.170 114.6);

Tailwind

colors: {
  custom: {
    50: '#f5fc98',
    500: '#ecfb68',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb68;
$custom-light: #f5fc98;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb68",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 104
  },
  "hsl": {
    "h": 66.122,
    "s": 94.839,
    "l": 69.608
  },
  "oklch": {
    "l": 0.9494,
    "c": 0.16955,
    "h": 114.6
  },
  "luminance": 0.87827
}

Semantic roles & 50–950 ramp

primary

#ECFB68

secondary

#4232D6

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFB68

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

Preview Lab → · Contrast checker → · Palette generator →