#EFF15E#EFF15E

#EFF15E is a very light, vivid yellow. Relative luminance 0.821; OKLCH L 93.0% C 0.166 H 110.0°. Best body text is #000000 at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#EFF15E
RGB	rgb(239, 241, 94)
HSL	hsl(61, 84%, 66%)
HSV	hsv(61, 61%, 95%)
CMYK	cmyk(0.8%, 0%, 61%, 5.5%)
CIE-LAB	lab(92.61, -18.60, 68.50)
CIE-LCH	lch(92.61, 70.98, 105.19°)
OKLab	oklab(92.99% -0.0567 0.156)
OKLCH	oklch(92.99% 0.166 110)
XYZ	xyz(69.0743, 82.0713, 22.7902)
Luminance	0.8207 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF15E #605EF1

analogous

#F1A95E #EFF15E #A6F15E

triadic

#EFF15E #5EEFF1 #F15EEF

tetradic

#EFF15E #5EF1A9 #605EF1 #F15EA6

square

#EFF15E #5EF1A9 #605EF1 #F15EA6

split-complementary

#EFF15E #5EA6F1 #A95EF1

monochromatic

#C1C411 #E9EC26 #EFF15E #F5F696 #FAFBCF

Accessibility & contrast

On white

1.21

#EFF15E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.41

#EFF15E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF15E

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF15E	#FFFFFF	#000000	##000000
##EFF15E	1.00	1.21	17.41	17.41
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.41	21.00	1.00	1.00
##000000	17.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE74C

Deuteranopia (green-blind)

#FFEC67

Tritanopia (blue-blind)

#FFE3D2

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff15e;
/* rgb */ color: rgb(239, 241, 94);
/* oklch */ color: oklch(93.0% 0.166 110.0);

Tailwind

colors: {
  custom: {
    50: '#f7f592',
    500: '#eff15e',
    950: '#000000',
  },
}

SCSS

$custom: #eff15e;
$custom-light: #f7f592;
$custom-dark: #000000;

JSON

{
  "hex": "#eff15e",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 94
  },
  "hsl": {
    "h": 60.816,
    "s": 84,
    "l": 65.686
  },
  "oklch": {
    "l": 0.92985,
    "c": 0.16599,
    "h": 110
  },
  "luminance": 0.82069
}

Semantic roles & 50–950 ramp

primary

#EFF15E

secondary

#3432C1

accent

#05E008

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF15E

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

Preview Lab → · Contrast checker → · Palette generator →