#EFFA6B#EFFA6B

#EFFA6B is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.0% C 0.165 H 113.2°. Best body text is #000000 at 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA6B
RGB	rgb(239, 250, 107)
HSL	hsl(65, 93%, 70%)
HSV	hsv(65, 57%, 98%)
CMYK	cmyk(4.4%, 0%, 57.2%, 2%)
CIE-LAB	lab(95.07, -22.04, 65.80)
CIE-LCH	lch(95.07, 69.39, 108.52°)
OKLab	oklab(94.99% -0.0651 0.1519)
OKLCH	oklch(94.99% 0.165 113.2)
XYZ	xyz(72.4377, 87.7848, 27.0353)
Luminance	0.8778 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA6B #766BFA

analogous

#FABD6B #EFFA6B #A8FA6B

triadic

#EFFA6B #6BEFFA #FA6BEF

tetradic

#EFFA6B #6BFABD #766BFA #FA6BA8

square

#EFFA6B #6BFABD #766BFA #FA6BA8

split-complementary

#EFFA6B #6BA8FA #BD6BFA

monochromatic

#D2E308 #E9F830 #EFFA6B #F5FCA6 #FCFEE1

Accessibility & contrast

On white

1.13

#EFFA6B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.56

#EFFA6B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA6B

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA6B	#FFFFFF	#000000	##000000
##EFFA6B	1.00	1.13	18.56	18.56
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.56	21.00	1.00	1.00
##000000	18.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF5B

Deuteranopia (green-blind)

#FFF274

Tritanopia (blue-blind)

#FDEDDB

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #effa6b;
/* rgb */ color: rgb(239, 250, 107);
/* oklch */ color: oklch(95.0% 0.165 113.2);

Tailwind

colors: {
  custom: {
    50: '#f7fb9a',
    500: '#effa6b',
    950: '#000000',
  },
}

SCSS

$custom: #effa6b;
$custom-light: #f7fb9a;
$custom-dark: #000000;

JSON

{
  "hex": "#effa6b",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 107
  },
  "hsl": {
    "h": 64.615,
    "s": 93.464,
    "l": 70
  },
  "oklch": {
    "l": 0.94988,
    "c": 0.16526,
    "h": 113.2
  },
  "luminance": 0.87783
}

Semantic roles & 50–950 ramp

primary

#EFFA6B

secondary

#4135D5

accent

#00E612

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFA6B

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

Preview Lab → · Contrast checker → · Palette generator →