#EFF09E#EFF09E

#EFF09E is a very light, moderate yellow. Relative luminance 0.831; OKLCH L 93.6% C 0.103 H 108.8°. Best body text is #000000 at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#EFF09E
RGB	rgb(239, 240, 158)
HSL	hsl(61, 73%, 78%)
HSV	hsv(61, 34%, 94%)
CMYK	cmyk(0.4%, 0%, 34.2%, 5.9%)
CIE-LAB	lab(93.08, -12.41, 39.59)
CIE-LCH	lch(93.08, 41.49, 107.41°)
OKLab	oklab(93.6% -0.0333 0.0976)
OKLCH	oklch(93.6% 0.103 108.8)
XYZ	xyz(72.9289, 83.1408, 44.5471)
Luminance	0.8314 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF09E #9F9EF0

analogous

#F0C89E #EFF09E #C6F09E

triadic

#EFF09E #9EEFF0 #F09EEF

tetradic

#EFF09E #9EF0C8 #9F9EF0 #F09EC6

square

#EFF09E #9EF0C8 #9F9EF0 #F09EC6

split-complementary

#EFF09E #9EC6F0 #C89EF0

monochromatic

#DEE034 #E6E869 #EFF09E #F8F8D3 #FBFBE4

Accessibility & contrast

On white

1.19

#EFF09E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.63

#EFF09E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF09E

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF09E	#FFFFFF	#000000	##000000
##EFF09E	1.00	1.19	17.63	17.63
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.63	21.00	1.00	1.00
##000000	17.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE998

Deuteranopia (green-blind)

#FEEDA1

Tritanopia (blue-blind)

#FAE6DB

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff09e;
/* rgb */ color: rgb(239, 240, 158);
/* oklch */ color: oklch(93.6% 0.103 108.8);

Tailwind

colors: {
  custom: {
    50: '#f5f4bb',
    500: '#eff09e',
    950: '#000000',
  },
}

SCSS

$custom: #eff09e;
$custom-light: #f5f4bb;
$custom-dark: #000000;

JSON

{
  "hex": "#eff09e",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 158
  },
  "hsl": {
    "h": 60.732,
    "s": 73.214,
    "l": 78.039
  },
  "oklch": {
    "l": 0.93595,
    "c": 0.10313,
    "h": 108.8
  },
  "luminance": 0.8314
}

Semantic roles & 50–950 ramp

primary

#EFF09E

secondary

#6665CD

accent

#10D513

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #EFF09E

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

Preview Lab → · Contrast checker → · Palette generator →