#ECFB67#ECFB67

#ECFB67 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 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB67
RGB	rgb(236, 251, 103)
HSL	hsl(66, 95%, 69%)
HSV	hsv(66, 59%, 98%)
CMYK	cmyk(6%, 0%, 59%, 1.6%)
CIE-LAB	lab(95.08, -23.97, 67.42)
CIE-LCH	lch(95.08, 71.56, 109.57°)
OKLab	oklab(94.93% -0.0708 0.1549)
OKLCH	oklch(94.93% 0.17 114.6)
XYZ	xyz(71.5390, 87.8077, 26.0093)
Luminance	0.8781 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB67 #7667FB

analogous

#FBC067 #ECFB67 #A2FB67

triadic

#ECFB67 #67ECFB #FB67EC

tetradic

#ECFB67 #67FBC0 #7667FB #FB67A2

square

#ECFB67 #67FBC0 #7667FB #FB67A2

split-complementary

#ECFB67 #67A2FB #C067FB

monochromatic

#CBE206 #E5F92B #ECFB67 #F3FDA3 #FBFEDE

Accessibility & contrast

On white

1.13

#ECFB67 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.56

#ECFB67 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB67

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB67	#FFFFFF	#000000	##000000
##ECFB67	1.00	1.13	18.56	18.56
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.56	21.00	1.00	1.00
##000000	18.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF056

Deuteranopia (green-blind)

#FFF270

Tritanopia (blue-blind)

#FAEEDC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfb67;
/* rgb */ color: rgb(236, 251, 103);
/* oklch */ color: oklch(94.9% 0.170 114.6);

Tailwind

colors: {
  custom: {
    50: '#f5fc98',
    500: '#ecfb67',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb67;
$custom-light: #f5fc98;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb67",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 103
  },
  "hsl": {
    "h": 66.081,
    "s": 94.872,
    "l": 69.412
  },
  "oklch": {
    "l": 0.94931,
    "c": 0.17034,
    "h": 114.6
  },
  "luminance": 0.87807
}

Semantic roles & 50–950 ramp

primary

#ECFB67

secondary

#4131D5

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFB67

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

Preview Lab → · Contrast checker → · Palette generator →