#EFF75A#EFF75A

#EFF75A is a very light, vivid yellow. Relative luminance 0.856; OKLCH L 94.2% C 0.175 H 112.1°. Best body text is #000000 at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFF75A
RGB	rgb(239, 247, 90)
HSL	hsl(63, 91%, 66%)
HSV	hsv(63, 64%, 97%)
CMYK	cmyk(3.2%, 0%, 63.6%, 3.1%)
CIE-LAB	lab(94.15, -21.72, 71.72)
CIE-LCH	lch(94.15, 74.93, 106.85°)
OKLab	oklab(94.21% -0.0659 0.1622)
OKLCH	oklch(94.21% 0.175 112.1)
XYZ	xyz(70.7048, 85.6120, 22.4711)
Luminance	0.8561 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF75A #625AF7

analogous

#F7B05A #EFF75A #A0F75A

triadic

#EFF75A #5AEFF7 #F75AEF

tetradic

#EFF75A #5AF7B0 #625AF7 #F75AA0

square

#EFF75A #5AF7B0 #625AF7 #F75AA0

split-complementary

#EFF75A #5AA0F7 #B05AF7

monochromatic

#C3CD0A #E9F420 #EFF75A #F5FA94 #FAFDCF

Accessibility & contrast

On white

1.16

#EFF75A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.12

#EFF75A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF75A

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF75A	#FFFFFF	#000000	##000000
##EFF75A	1.00	1.16	18.12	18.12
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.12	21.00	1.00	1.00
##000000	18.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC45

Deuteranopia (green-blind)

#FFF065

Tritanopia (blue-blind)

#FEE9D7

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff75a;
/* rgb */ color: rgb(239, 247, 90);
/* oklch */ color: oklch(94.2% 0.175 112.1);

Tailwind

colors: {
  custom: {
    50: '#f7f990',
    500: '#eff75a',
    950: '#000000',
  },
}

SCSS

$custom: #eff75a;
$custom-light: #f7f990;
$custom-dark: #000000;

JSON

{
  "hex": "#eff75a",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 90
  },
  "hsl": {
    "h": 63.057,
    "s": 90.751,
    "l": 66.078
  },
  "oklch": {
    "l": 0.94205,
    "c": 0.17511,
    "h": 112.1
  },
  "luminance": 0.8561
}

Semantic roles & 50–950 ramp

primary

#EFF75A

secondary

#352DC8

accent

#00E60C

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF75A

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

Preview Lab → · Contrast checker → · Palette generator →