#EFFC6A#EFFC6A

#EFFC6A is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.4% C 0.168 H 113.9°. Best body text is #000000 at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#EFFC6A
RGB	rgb(239, 252, 106)
HSL	hsl(65, 96%, 70%)
HSV	hsv(65, 58%, 99%)
CMYK	cmyk(5.2%, 0%, 57.9%, 1.2%)
CIE-LAB	lab(95.59, -23.06, 66.79)
CIE-LCH	lch(95.59, 70.66, 109.05°)
OKLab	oklab(95.4% -0.0681 0.1539)
OKLCH	oklch(95.4% 0.168 113.9)
XYZ	xyz(73.0102, 89.0134, 26.9681)
Luminance	0.8901 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFC6A #776AFC

analogous

#FCC06A #EFFC6A #A6FC6A

triadic

#EFFC6A #6AEFFC #FC6AEF

tetradic

#EFFC6A #6AFCC0 #776AFC #FC6AA6

square

#EFFC6A #6AFCC0 #776AFC #FC6AA6

split-complementary

#EFFC6A #6AA6FC #C06AFC

monochromatic

#D3E705 #E9FB2E #EFFC6A #F5FDA6 #FCFEE1

Accessibility & contrast

On white

1.12

#EFFC6A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.80

#EFFC6A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFC6A

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFC6A	#FFFFFF	#000000	##000000
##EFFC6A	1.00	1.12	18.80	18.80
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.80	21.00	1.00	1.00
##000000	18.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF15A

Deuteranopia (green-blind)

#FFF473

Tritanopia (blue-blind)

#FDEFDD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effc6a;
/* rgb */ color: rgb(239, 252, 106);
/* oklch */ color: oklch(95.4% 0.168 113.9);

Tailwind

colors: {
  custom: {
    50: '#f7fd9a',
    500: '#effc6a',
    950: '#000000',
  },
}

SCSS

$custom: #effc6a;
$custom-light: #f7fd9a;
$custom-dark: #000000;

JSON

{
  "hex": "#effc6a",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 106
  },
  "hsl": {
    "h": 65.342,
    "s": 96.053,
    "l": 70.196
  },
  "oklch": {
    "l": 0.95398,
    "c": 0.16829,
    "h": 113.9
  },
  "luminance": 0.89012
}

Semantic roles & 50–950 ramp

primary

#EFFC6A

secondary

#4233D7

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFC6A

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

Preview Lab → · Contrast checker → · Palette generator →