#ECFB90#ECFB90

#ECFB90 is a very light, vivid yellow. Relative luminance 0.888; OKLCH L 95.4% C 0.132 H 115.5°. Best body text is #000000 at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#ECFB90
RGB	rgb(236, 251, 144)
HSL	hsl(68, 93%, 77%)
HSV	hsv(68, 43%, 98%)
CMYK	cmyk(6%, 0%, 42.6%, 1.6%)
CIE-LAB	lab(95.51, -20.43, 49.48)
CIE-LCH	lch(95.51, 53.53, 112.44°)
OKLab	oklab(95.42% -0.057 0.1195)
OKLCH	oklch(95.42% 0.132 115.5)
XYZ	xyz(74.1240, 88.8417, 39.6235)
Luminance	0.8884 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFB90 #9F90FB

analogous

#FBD490 #ECFB90 #B7FB90

triadic

#ECFB90 #90ECFB #FB90EC

tetradic

#ECFB90 #90FBD4 #9F90FB #FB90B7

square

#ECFB90 #90FBD4 #9F90FB #FB90B7

split-complementary

#ECFB90 #90B7FB #D490FB

monochromatic

#D8F71A #E2F955 #ECFB90 #F6FDCB #FAFEE1

Accessibility & contrast

On white

1.12

#ECFB90 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.77

#ECFB90 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFB90

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFB90	#FFFFFF	#000000	##000000
##ECFB90	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)

#FFF187

Deuteranopia (green-blind)

#FFF395

Tritanopia (blue-blind)

#F7F0E1

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfb90;
/* rgb */ color: rgb(236, 251, 144);
/* oklch */ color: oklch(95.4% 0.132 115.5);

Tailwind

colors: {
  custom: {
    50: '#f3fcb2',
    500: '#ecfb90',
    950: '#000000',
  },
}

SCSS

$custom: #ecfb90;
$custom-light: #f3fcb2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfb90",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 144
  },
  "hsl": {
    "h": 68.411,
    "s": 93.043,
    "l": 77.451
  },
  "oklch": {
    "l": 0.95419,
    "c": 0.13241,
    "h": 115.5
  },
  "luminance": 0.88841
}

Semantic roles & 50–950 ramp

primary

#ECFB90

secondary

#6754DB

accent

#00E620

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECFB90

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

Preview Lab → · Contrast checker → · Palette generator →