#EFF36E#EFF36E

#EFF36E is a very light, vivid yellow. Relative luminance 0.836; OKLCH L 93.6% C 0.155 H 110.6°. Best body text is #000000 at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#EFF36E
RGB	rgb(239, 243, 110)
HSL	hsl(62, 85%, 69%)
HSV	hsv(62, 55%, 95%)
CMYK	cmyk(1.6%, 0%, 54.7%, 4.7%)
CIE-LAB	lab(93.27, -18.45, 62.48)
CIE-LCH	lch(93.27, 65.15, 106.45°)
OKLab	oklab(93.56% -0.0547 0.1452)
OKLCH	oklch(93.56% 0.155 110.6)
XYZ	xyz(70.4634, 83.5793, 27.1694)
Luminance	0.8358 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF36E #726EF3

analogous

#F3B56E #EFF36E #ACF36E

triadic

#EFF36E #6EEFF3 #F36EEF

tetradic

#EFF36E #6EF3B5 #726EF3 #F36EAC

square

#EFF36E #6EF3B5 #726EF3 #F36EAC

split-complementary

#EFF36E #6EACF3 #B56EF3

monochromatic

#CFD512 #E9EE35 #EFF36E #F5F8A7 #FBFCDF

Accessibility & contrast

On white

1.19

#EFF36E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.72

#EFF36E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF36E

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF36E	#FFFFFF	#000000	##000000
##EFF36E	1.00	1.19	17.72	17.72
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.72	21.00	1.00	1.00
##000000	17.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA60

Deuteranopia (green-blind)

#FFEE75

Tritanopia (blue-blind)

#FEE6D6

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff36e;
/* rgb */ color: rgb(239, 243, 110);
/* oklch */ color: oklch(93.6% 0.155 110.6);

Tailwind

colors: {
  custom: {
    50: '#f7f69c',
    500: '#eff36e',
    950: '#000000',
  },
}

SCSS

$custom: #eff36e;
$custom-light: #f7f69c;
$custom-dark: #000000;

JSON

{
  "hex": "#eff36e",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 110
  },
  "hsl": {
    "h": 61.805,
    "s": 84.713,
    "l": 69.216
  },
  "oklch": {
    "l": 0.93557,
    "c": 0.15511,
    "h": 110.6
  },
  "luminance": 0.83578
}

Semantic roles & 50–950 ramp

primary

#EFF36E

secondary

#3D39CC

accent

#04E10B

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #EFF36E

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

Preview Lab → · Contrast checker → · Palette generator →