#40AC5B#40AC5B

#40AC5B is a light, vivid green. Relative luminance 0.314; OKLCH L 66.3% C 0.154 H 148.7°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#40AC5B
RGB	rgb(64, 172, 91)
HSL	hsl(135, 46%, 46%)
HSV	hsv(135, 63%, 67%)
CMYK	cmyk(62.8%, 0%, 47.1%, 32.5%)
CIE-LAB	lab(62.80, -48.57, 32.67)
CIE-LCH	lch(62.80, 58.54, 146.08°)
OKLab	oklab(66.29% -0.1312 0.0798)
OKLCH	oklch(66.29% 0.154 148.7)
XYZ	xyz(18.7539, 31.3485, 14.9580)
Luminance	0.3135 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC5B #AC4091

analogous

#5BAC40 #40AC5B #40AC91

triadic

#40AC5B #5B40AC #AC5B40

tetradic

#40AC5B #405BAC #AC4091 #AC9140

square

#40AC5B #405BAC #AC4091 #AC9140

split-complementary

#40AC5B #9140AC #AC405B

monochromatic

#1F532C #2F7F43 #40AC5B #64C57C #91D6A2

Accessibility & contrast

On white

2.89

#40AC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#40AC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC5B

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC5B	#FFFFFF	#000000	##000000
##40AC5B	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9E55

Deuteranopia (green-blind)

#A09461

Tritanopia (blue-blind)

#1FA999

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #40ac5b;
/* rgb */ color: rgb(64, 172, 91);
/* oklch */ color: oklch(66.3% 0.154 148.7);

Tailwind

colors: {
  custom: {
    50: '#80c68b',
    500: '#40ac5b',
    950: '#000000',
  },
}

SCSS

$custom: #40ac5b;
$custom-light: #80c68b;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac5b",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 91
  },
  "hsl": {
    "h": 135,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.66285,
    "c": 0.15354,
    "h": 148.7
  },
  "luminance": 0.3135
}

Semantic roles & 50–950 ramp

primary

#40AC5B

secondary

#C187B2

accent

#52B5D5

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40AC5B

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

Preview Lab → · Contrast checker → · Palette generator →