#EFF156#EFF156

#EFF156 is a very light, vivid yellow. Relative luminance 0.819; OKLCH L 92.9% C 0.172 H 110.0°. Best body text is #000000 at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#EFF156
RGB	rgb(239, 241, 86)
HSL	hsl(61, 85%, 64%)
HSV	hsv(61, 64%, 95%)
CMYK	cmyk(0.8%, 0%, 64.3%, 5.5%)
CIE-LAB	lab(92.55, -19.08, 71.60)
CIE-LCH	lch(92.55, 74.10, 104.92°)
OKLab	oklab(92.92% -0.0589 0.1614)
OKLCH	oklch(92.92% 0.172 110)
XYZ	xyz(68.7338, 81.9351, 20.9966)
Luminance	0.8193 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF156 #5856F1

analogous

#F1A656 #EFF156 #A2F156

triadic

#EFF156 #56EFF1 #F156EF

tetradic

#EFF156 #56F1A6 #5856F1 #F156A2

square

#EFF156 #56F1A6 #5856F1 #F156A2

split-complementary

#EFF156 #56A2F1 #A656F1

monochromatic

#BBBD10 #EAEC1D #EFF156 #F4F68F #FAFAC7

Accessibility & contrast

On white

1.21

#EFF156 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.39

#EFF156 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF156

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF156	#FFFFFF	#000000	##000000
##EFF156	1.00	1.21	17.39	17.39
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.39	21.00	1.00	1.00
##000000	17.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE741

Deuteranopia (green-blind)

#FFEC60

Tritanopia (blue-blind)

#FFE3D1

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff156;
/* rgb */ color: rgb(239, 241, 86);
/* oklch */ color: oklch(92.9% 0.172 110.0);

Tailwind

colors: {
  custom: {
    50: '#f8f58d',
    500: '#eff156',
    950: '#000000',
  },
}

SCSS

$custom: #eff156;
$custom-light: #f8f58d;
$custom-dark: #000000;

JSON

{
  "hex": "#eff156",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 86
  },
  "hsl": {
    "h": 60.774,
    "s": 84.699,
    "l": 64.118
  },
  "oklch": {
    "l": 0.92917,
    "c": 0.1718,
    "h": 110
  },
  "luminance": 0.81933
}

Semantic roles & 50–950 ramp

primary

#EFF156

secondary

#3230BB

accent

#04E107

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF156

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

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