#EFF25F#EFF25F

#EFF25F is a very light, vivid yellow. Relative luminance 0.827; OKLCH L 93.2% C 0.166 H 110.3°. Best body text is #000000 at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#EFF25F
RGB	rgb(239, 242, 95)
HSL	hsl(61, 85%, 66%)
HSV	hsv(61, 61%, 95%)
CMYK	cmyk(1.2%, 0%, 60.7%, 5.1%)
CIE-LAB	lab(92.88, -19.02, 68.39)
CIE-LCH	lch(92.88, 70.98, 105.54°)
OKLab	oklab(93.2% -0.0578 0.1559)
OKLCH	oklch(93.2% 0.166 110.3)
XYZ	xyz(69.4163, 82.6830, 23.1270)
Luminance	0.8268 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF25F #625FF2

analogous

#F2AB5F #EFF25F #A6F25F

triadic

#EFF25F #5FEFF2 #F25FEF

tetradic

#EFF25F #5FF2AB #625FF2 #F25FA6

square

#EFF25F #5FF2AB #625FF2 #F25FA6

split-complementary

#EFF25F #5FA6F2 #AB5FF2

monochromatic

#C3C610 #E9ED26 #EFF25F #F5F798 #FAFBD0

Accessibility & contrast

On white

1.20

#EFF25F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.54

#EFF25F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF25F

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF25F	#FFFFFF	#000000	##000000
##EFF25F	1.00	1.20	17.54	17.54
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.54	21.00	1.00	1.00
##000000	17.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE84D

Deuteranopia (green-blind)

#FFED68

Tritanopia (blue-blind)

#FEE4D3

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff25f;
/* rgb */ color: rgb(239, 242, 95);
/* oklch */ color: oklch(93.2% 0.166 110.3);

Tailwind

colors: {
  custom: {
    50: '#f7f692',
    500: '#eff25f',
    950: '#000000',
  },
}

SCSS

$custom: #eff25f;
$custom-light: #f7f692;
$custom-dark: #000000;

JSON

{
  "hex": "#eff25f",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 95
  },
  "hsl": {
    "h": 61.224,
    "s": 84.971,
    "l": 66.078
  },
  "oklch": {
    "l": 0.93202,
    "c": 0.16625,
    "h": 110.3
  },
  "luminance": 0.82681
}

Semantic roles & 50–950 ramp

primary

#EFF25F

secondary

#3532C4

accent

#04E109

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF25F

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

Preview Lab → · Contrast checker → · Palette generator →