#ECFB91#ECFB91

#ECFB91 is a very light, vivid yellow. Relative luminance 0.889; OKLCH L 95.4% C 0.131 H 115.5°. Best body text is #000000 at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB91
RGB	rgb(236, 251, 145)
HSL	hsl(68, 93%, 78%)
HSV	hsv(68, 42%, 98%)
CMYK	cmyk(6%, 0%, 42.2%, 1.6%)
CIE-LAB	lab(95.53, -20.33, 49.02)
CIE-LCH	lch(95.53, 53.06, 112.53°)
OKLab	oklab(95.43% -0.0566 0.1185)
OKLCH	oklch(95.43% 0.131 115.5)
XYZ	xyz(74.2007, 88.8724, 40.0278)
Luminance	0.8887 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB91 #A091FB

analogous

#FBD591 #ECFB91 #B7FB91

triadic

#ECFB91 #91ECFB #FB91EC

tetradic

#ECFB91 #91FBD5 #A091FB #FB91B7

square

#ECFB91 #91FBD5 #A091FB #FB91B7

split-complementary

#ECFB91 #91B7FB #D591FB

monochromatic

#D8F71B #E2F956 #ECFB91 #F6FDCC #FAFEE1

Accessibility & contrast

On white

1.12

#ECFB91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.77

#ECFB91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB91

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB91	#FFFFFF	#000000	##000000
##ECFB91	1.00	1.12	18.77	18.77
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.77	21.00	1.00	1.00
##000000	18.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF189

Deuteranopia (green-blind)

#FFF396

Tritanopia (blue-blind)

#F7F0E2

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfb91;
/* rgb */ color: rgb(236, 251, 145);
/* oklch */ color: oklch(95.4% 0.131 115.5);

Tailwind

colors: {
  custom: {
    50: '#f3fcb3',
    500: '#ecfb91',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb91;
$custom-light: #f3fcb3;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb91",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 145
  },
  "hsl": {
    "h": 68.491,
    "s": 92.982,
    "l": 77.647
  },
  "oklch": {
    "l": 0.95433,
    "c": 0.13137,
    "h": 115.5
  },
  "luminance": 0.88872
}

Semantic roles & 50–950 ramp

primary

#ECFB91

secondary

#6855DB

accent

#00E620

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECFB91

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

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