#EFFB60#EFFB60

#EFFB60 is a very light, vivid yellow. Relative luminance 0.882; OKLCH L 95.1% C 0.175 H 113.5°. Best body text is #000000 at 18.64:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB60
RGB	rgb(239, 251, 96)
HSL	hsl(65, 95%, 68%)
HSV	hsv(65, 62%, 98%)
CMYK	cmyk(4.8%, 0%, 61.8%, 1.6%)
CIE-LAB	lab(95.24, -23.26, 70.51)
CIE-LCH	lch(95.24, 74.25, 108.26°)
OKLab	oklab(95.1% -0.0696 0.1605)
OKLCH	oklch(95.1% 0.175 113.5)
XYZ	xyz(72.2069, 88.1910, 24.2829)
Luminance	0.8819 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB60 #6C60FB

analogous

#FBB960 #EFFB60 #A1FB60

triadic

#EFFB60 #60EFFB #FB60EF

tetradic

#EFFB60 #60FBB9 #6C60FB #FB60A1

square

#EFFB60 #60FBB9 #6C60FB #FB60A1

split-complementary

#EFFB60 #60A1FB #B960FB

monochromatic

#CBDB06 #E9F924 #EFFB60 #F5FD9C #FBFED7

Accessibility & contrast

On white

1.13

#EFFB60 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.64

#EFFB60 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB60

18.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB60	#FFFFFF	#000000	##000000
##EFFB60	1.00	1.13	18.64	18.64
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.64	21.00	1.00	1.00
##000000	18.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF04D

Deuteranopia (green-blind)

#FFF36A

Tritanopia (blue-blind)

#FEEDDB

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #effb60;
/* rgb */ color: rgb(239, 251, 96);
/* oklch */ color: oklch(95.1% 0.175 113.5);

Tailwind

colors: {
  custom: {
    50: '#f7fc94',
    500: '#effb60',
    950: '#000000',
  },
}

SCSS

$custom: #effb60;
$custom-light: #f7fc94;
$custom-dark: #000000;

JSON

{
  "hex": "#effb60",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 96
  },
  "hsl": {
    "h": 64.645,
    "s": 95.092,
    "l": 68.039
  },
  "oklch": {
    "l": 0.95096,
    "c": 0.17497,
    "h": 113.5
  },
  "luminance": 0.8819
}

Semantic roles & 50–950 ramp

primary

#EFFB60

secondary

#382BD4

accent

#00E612

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFB60

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

Preview Lab → · Contrast checker → · Palette generator →