#EFF95A#EFF95A

#EFF95A is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.6% C 0.177 H 112.8°. Best body text is #000000 at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#EFF95A
RGB	rgb(239, 249, 90)
HSL	hsl(64, 93%, 66%)
HSV	hsv(64, 64%, 98%)
CMYK	cmyk(4%, 0%, 63.9%, 2.4%)
CIE-LAB	lab(94.67, -22.68, 72.26)
CIE-LCH	lch(94.67, 75.74, 107.42°)
OKLab	oklab(94.63% -0.0686 0.1634)
OKLCH	oklch(94.63% 0.177 112.8)
XYZ	xyz(71.3197, 86.8418, 22.6760)
Luminance	0.8684 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF95A #645AF9

analogous

#F9B45A #EFF95A #A0F95A

triadic

#EFF95A #5AEFF9 #F95AEF

tetradic

#EFF95A #5AF9B4 #645AF9 #F95AA0

square

#EFF95A #5AF9B4 #645AF9 #F95AA0

split-complementary

#EFF95A #5AA0F9 #B45AF9

monochromatic

#C4D108 #E9F71F #EFF95A #F5FB95 #FAFDD0

Accessibility & contrast

On white

1.14

#EFF95A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.37

#EFF95A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF95A

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF95A	#FFFFFF	#000000	##000000
##EFF95A	1.00	1.14	18.37	18.37
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.37	21.00	1.00	1.00
##000000	18.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE44

Deuteranopia (green-blind)

#FFF165

Tritanopia (blue-blind)

#FEEBD8

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff95a;
/* rgb */ color: rgb(239, 249, 90);
/* oklch */ color: oklch(94.6% 0.177 112.8);

Tailwind

colors: {
  custom: {
    50: '#f8fb90',
    500: '#eff95a',
    950: '#000000',
  },
}

SCSS

$custom: #eff95a;
$custom-light: #f8fb90;
$custom-dark: #000000;

JSON

{
  "hex": "#eff95a",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 90
  },
  "hsl": {
    "h": 63.774,
    "s": 92.982,
    "l": 66.471
  },
  "oklch": {
    "l": 0.94625,
    "c": 0.17719,
    "h": 112.8
  },
  "luminance": 0.8684
}

Semantic roles & 50–950 ramp

primary

#EFF95A

secondary

#352BCC

accent

#00E60E

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF95A

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

Preview Lab → · Contrast checker → · Palette generator →