#EFFE91#EFFE91

#EFFE91 is a very light, vivid yellow. Relative luminance 0.913; OKLCH L 96.3% C 0.134 H 115.4°. Best body text is #000000 at 19.26:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE91
RGB	rgb(239, 254, 145)
HSL	hsl(68, 98%, 78%)
HSV	hsv(68, 43%, 100%)
CMYK	cmyk(5.9%, 0%, 42.9%, 0.4%)
CIE-LAB	lab(96.53, -20.63, 50.31)
CIE-LCH	lch(96.53, 54.37, 112.30°)
OKLab	oklab(96.28% -0.0576 0.1214)
OKLCH	oklch(96.28% 0.134 115.4)
XYZ	xyz(76.1500, 91.2795, 40.3897)
Luminance	0.9128 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE91 #A091FE

analogous

#FED691 #EFFE91 #B8FE91

triadic

#EFFE91 #91EFFE #FE91EF

tetradic

#EFFE91 #91FED6 #A091FE #FE91B8

square

#EFFE91 #91FED6 #A091FE #FE91B8

split-complementary

#EFFE91 #91B8FE #D691FE

monochromatic

#DDFD18 #E6FD54 #EFFE91 #F8FFCE #FBFFE1

Accessibility & contrast

On white

1.09

#EFFE91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.26

#EFFE91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE91

19.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE91	#FFFFFF	#000000	##000000
##EFFE91	1.00	1.09	19.26	19.26
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.26	21.00	1.00	1.00
##000000	19.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF488

Deuteranopia (green-blind)

#FFF696

Tritanopia (blue-blind)

#FAF3E4

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effe91;
/* rgb */ color: rgb(239, 254, 145);
/* oklch */ color: oklch(96.3% 0.134 115.4);

Tailwind

colors: {
  custom: {
    50: '#f6feb3',
    500: '#effe91',
    950: '#000000',
  },
}

SCSS

$custom: #effe91;
$custom-light: #f6feb3;
$custom-dark: #000000;

JSON

{
  "hex": "#effe91",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 145
  },
  "hsl": {
    "h": 68.257,
    "s": 98.198,
    "l": 78.235
  },
  "oklch": {
    "l": 0.96283,
    "c": 0.13439,
    "h": 115.4
  },
  "luminance": 0.91279
}

Semantic roles & 50–950 ramp

primary

#EFFE91

secondary

#6754DF

accent

#00E620

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFFE91

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

Preview Lab → · Contrast checker → · Palette generator →