#EFFD90#EFFD90

#EFFD90 is a very light, vivid yellow. Relative luminance 0.906; OKLCH L 96.1% C 0.134 H 115.0°. Best body text is #000000 at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD90
RGB	rgb(239, 253, 144)
HSL	hsl(68, 96%, 78%)
HSV	hsv(68, 43%, 99%)
CMYK	cmyk(5.5%, 0%, 43.1%, 0.8%)
CIE-LAB	lab(96.25, -20.26, 50.44)
CIE-LCH	lch(96.25, 54.36, 111.88°)
OKLab	oklab(96.06% -0.0566 0.1217)
OKLCH	oklch(96.06% 0.134 115)
XYZ	xyz(75.7567, 90.6158, 39.8799)
Luminance	0.9062 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD90 #9E90FD

analogous

#FDD490 #EFFD90 #B9FD90

triadic

#EFFD90 #90EFFD #FD90EF

tetradic

#EFFD90 #90FDD4 #9E90FD #FD90B9

square

#EFFD90 #90FDD4 #9E90FD #FD90B9

split-complementary

#EFFD90 #90B9FD #D490FD

monochromatic

#DEFB18 #E6FC54 #EFFD90 #F8FECC #FBFEE1

Accessibility & contrast

On white

1.10

#EFFD90 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.12

#EFFD90 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD90

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD90	#FFFFFF	#000000	##000000
##EFFD90	1.00	1.10	19.12	19.12
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.12	21.00	1.00	1.00
##000000	19.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF387

Deuteranopia (green-blind)

#FFF595

Tritanopia (blue-blind)

#FAF2E3

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effd90;
/* rgb */ color: rgb(239, 253, 144);
/* oklch */ color: oklch(96.1% 0.134 115.0);

Tailwind

colors: {
  custom: {
    50: '#f6feb2',
    500: '#effd90',
    950: '#000000',
  },
}

SCSS

$custom: #effd90;
$custom-light: #f6feb2;
$custom-dark: #000000;

JSON

{
  "hex": "#effd90",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 144
  },
  "hsl": {
    "h": 67.706,
    "s": 96.46,
    "l": 77.843
  },
  "oklch": {
    "l": 0.96061,
    "c": 0.13419,
    "h": 115
  },
  "luminance": 0.90615
}

Semantic roles & 50–950 ramp

primary

#EFFD90

secondary

#6553DE

accent

#00E61D

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFFD90

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

Preview Lab → · Contrast checker → · Palette generator →