#91EF45#91EF45

#91EF45 is a very light, highly saturated yellow-green. Relative luminance 0.682; OKLCH L 86.2% C 0.218 H 134.3°. Best body text is #000000 at 14.64:1 contrast (WCAG AA passes).

Color values

HEX	#91EF45
RGB	rgb(145, 239, 69)
HSL	hsl(93, 84%, 60%)
HSV	hsv(93, 71%, 94%)
CMYK	cmyk(39.3%, 0%, 71.1%, 6.3%)
CIE-LAB	lab(86.10, -54.41, 69.42)
CIE-LCH	lch(86.10, 88.20, 128.09°)
OKLab	oklab(86.19% -0.1523 0.1563)
OKLCH	oklch(86.19% 0.218 134.3)
XYZ	xyz(43.6169, 68.1802, 16.4910)
Luminance	0.6818 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 4.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91EF45 #A345EF

analogous

#E6EF45 #91EF45 #45EF4E

triadic

#91EF45 #4591EF #EF4591

tetradic

#91EF45 #45E6EF #A345EF #EF4E45

square

#91EF45 #45E6EF #A345EF #EF4E45

split-complementary

#91EF45 #4E45EF #EF45E6

monochromatic

#55AB0F #70E314 #91EF45 #B2F47D #D4F9B6

Accessibility & contrast

On white

1.43

#91EF45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.64

#91EF45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91EF45

14.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91EF45	#FFFFFF	#000000	##000000
##91EF45	1.00	1.43	14.64	14.64
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.64	21.00	1.00	1.00
##000000	14.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DC27

Deuteranopia (green-blind)

#EBD555

Tritanopia (blue-blind)

#90E6CE

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #91ef45;
/* rgb */ color: rgb(145, 239, 69);
/* oklch */ color: oklch(86.2% 0.218 134.3);

Tailwind

colors: {
  custom: {
    50: '#b8f583',
    500: '#91ef45',
    950: '#000000',
  },
}

SCSS

$custom: #91ef45;
$custom-light: #b8f583;
$custom-dark: #000000;

JSON

{
  "hex": "#91ef45",
  "rgb": {
    "r": 145,
    "g": 239,
    "b": 69
  },
  "hsl": {
    "h": 93.176,
    "s": 84.158,
    "l": 60.392
  },
  "oklch": {
    "l": 0.86189,
    "c": 0.21827,
    "h": 134.3
  },
  "luminance": 0.68182
}

Semantic roles & 50–950 ramp

primary

#91EF45

secondary

#732CAC

accent

#05E17E

background

#FDFFFB

surface

#F9FEF2

border

#D2D6CC

text

#12170B

muted

#82857E

Preview Lab

Preview with #91EF45

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

Preview Lab → · Contrast checker → · Palette generator →