#EFFE90#EFFE90

#EFFE90 is a very light, vivid yellow. Relative luminance 0.912; OKLCH L 96.3% C 0.135 H 115.4°. Best body text is #000000 at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE90
RGB	rgb(239, 254, 144)
HSL	hsl(68, 98%, 78%)
HSV	hsv(68, 43%, 100%)
CMYK	cmyk(5.9%, 0%, 43.3%, 0.4%)
CIE-LAB	lab(96.51, -20.74, 50.76)
CIE-LCH	lch(96.51, 54.84, 112.22°)
OKLab	oklab(96.27% -0.058 0.1224)
OKLCH	oklch(96.27% 0.135 115.4)
XYZ	xyz(76.0732, 91.2488, 39.9854)
Luminance	0.9125 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE90 #9F90FE

analogous

#FED690 #EFFE90 #B8FE90

triadic

#EFFE90 #90EFFE #FE90EF

tetradic

#EFFE90 #90FED6 #9F90FE #FE90B8

square

#EFFE90 #90FED6 #9F90FE #FE90B8

split-complementary

#EFFE90 #90B8FE #D690FE

monochromatic

#DEFD17 #E6FD53 #EFFE90 #F8FFCD #FBFFE1

Accessibility & contrast

On white

1.09

#EFFE90 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.25

#EFFE90 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE90

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE90	#FFFFFF	#000000	##000000
##EFFE90	1.00	1.09	19.25	19.25
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.25	21.00	1.00	1.00
##000000	19.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF487

Deuteranopia (green-blind)

#FFF695

Tritanopia (blue-blind)

#FAF3E4

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effe90;
/* rgb */ color: rgb(239, 254, 144);
/* oklch */ color: oklch(96.3% 0.135 115.4);

Tailwind

colors: {
  custom: {
    50: '#f6feb2',
    500: '#effe90',
    950: '#000000',
  },
}

SCSS

$custom: #effe90;
$custom-light: #f6feb2;
$custom-dark: #000000;

JSON

{
  "hex": "#effe90",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 144
  },
  "hsl": {
    "h": 68.182,
    "s": 98.214,
    "l": 78.039
  },
  "oklch": {
    "l": 0.96269,
    "c": 0.13542,
    "h": 115.4
  },
  "luminance": 0.91248
}

Semantic roles & 50–950 ramp

primary

#EFFE90

secondary

#6653DF

accent

#00E61F

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFFE90

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

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