#EFF09C#EFF09C

#EFF09C is a very light, moderate yellow. Relative luminance 0.831; OKLCH L 93.6% C 0.105 H 108.9°. Best body text is #000000 at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#EFF09C
RGB	rgb(239, 240, 156)
HSL	hsl(61, 74%, 78%)
HSV	hsv(61, 35%, 94%)
CMYK	cmyk(0.4%, 0%, 35%, 5.9%)
CIE-LAB	lab(93.05, -12.64, 40.54)
CIE-LCH	lch(93.05, 42.47, 107.31°)
OKLab	oklab(93.56% -0.0341 0.0997)
OKLCH	oklch(93.56% 0.105 108.9)
XYZ	xyz(72.7581, 83.0725, 43.6478)
Luminance	0.8307 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF09C #9D9CF0

analogous

#F0C79C #EFF09C #C5F09C

triadic

#EFF09C #9CEFF0 #F09CEF

tetradic

#EFF09C #9CF0C7 #9D9CF0 #F09CC5

square

#EFF09C #9CF0C7 #9D9CF0 #F09CC5

split-complementary

#EFF09C #9CC5F0 #C79CF0

monochromatic

#DEE032 #E6E867 #EFF09C #F8F8D1 #FBFBE4

Accessibility & contrast

On white

1.19

#EFF09C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.61

#EFF09C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF09C

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF09C	#FFFFFF	#000000	##000000
##EFF09C	1.00	1.19	17.61	17.61
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.61	21.00	1.00	1.00
##000000	17.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE996

Deuteranopia (green-blind)

#FEEDA0

Tritanopia (blue-blind)

#FAE6DB

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff09c;
/* rgb */ color: rgb(239, 240, 156);
/* oklch */ color: oklch(93.6% 0.105 108.9);

Tailwind

colors: {
  custom: {
    50: '#f5f4ba',
    500: '#eff09c',
    950: '#000000',
  },
}

SCSS

$custom: #eff09c;
$custom-light: #f5f4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#eff09c",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 156
  },
  "hsl": {
    "h": 60.714,
    "s": 73.684,
    "l": 77.647
  },
  "oklch": {
    "l": 0.93561,
    "c": 0.1054,
    "h": 108.9
  },
  "luminance": 0.83071
}

Semantic roles & 50–950 ramp

primary

#EFF09C

secondary

#6463CD

accent

#10D612

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #EFF09C

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

Preview Lab → · Contrast checker → · Palette generator →