#EFFA6D#EFFA6D

#EFFA6D is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.0% C 0.164 H 113.2°. Best body text is #000000 at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA6D
RGB	rgb(239, 250, 109)
HSL	hsl(65, 93%, 70%)
HSV	hsv(65, 56%, 98%)
CMYK	cmyk(4.4%, 0%, 56.4%, 2%)
CIE-LAB	lab(95.09, -21.89, 64.96)
CIE-LCH	lch(95.09, 68.55, 108.62°)
OKLab	oklab(95.01% -0.0645 0.1504)
OKLCH	oklch(95.01% 0.164 113.2)
XYZ	xyz(72.5442, 87.8274, 27.5959)
Luminance	0.8783 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA6D #786DFA

analogous

#FABE6D #EFFA6D #A8FA6D

triadic

#EFFA6D #6DEFFA #FA6DEF

tetradic

#EFFA6D #6DFABE #786DFA #FA6DA8

square

#EFFA6D #6DFABE #786DFA #FA6DA8

split-complementary

#EFFA6D #6DA8FA #BE6DFA

monochromatic

#D4E508 #E9F832 #EFFA6D #F5FCA8 #FCFEE1

Accessibility & contrast

On white

1.13

#EFFA6D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.57

#EFFA6D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA6D

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA6D	#FFFFFF	#000000	##000000
##EFFA6D	1.00	1.13	18.57	18.57
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.57	21.00	1.00	1.00
##000000	18.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF5E

Deuteranopia (green-blind)

#FFF275

Tritanopia (blue-blind)

#FDEDDB

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #effa6d;
/* rgb */ color: rgb(239, 250, 109);
/* oklch */ color: oklch(95.0% 0.164 113.2);

Tailwind

colors: {
  custom: {
    50: '#f7fb9b',
    500: '#effa6d',
    950: '#000000',
  },
}

SCSS

$custom: #effa6d;
$custom-light: #f7fb9b;
$custom-dark: #000000;

JSON

{
  "hex": "#effa6d",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 109
  },
  "hsl": {
    "h": 64.681,
    "s": 93.377,
    "l": 70.392
  },
  "oklch": {
    "l": 0.95008,
    "c": 0.1636,
    "h": 113.2
  },
  "luminance": 0.87826
}

Semantic roles & 50–950 ramp

primary

#EFFA6D

secondary

#4336D5

accent

#00E612

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFA6D

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

Preview Lab → · Contrast checker → · Palette generator →