#40AC71#40AC71

#40AC71 is a light, vivid green. Relative luminance 0.318; OKLCH L 66.7% C 0.133 H 155.9°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#40AC71
RGB	rgb(64, 172, 113)
HSL	hsl(147, 46%, 46%)
HSV	hsv(147, 63%, 67%)
CMYK	cmyk(62.8%, 0%, 34.3%, 32.5%)
CIE-LAB	lab(63.16, -44.60, 21.47)
CIE-LCH	lch(63.16, 49.50, 154.29°)
OKLab	oklab(66.7% -0.1211 0.0541)
OKLCH	oklch(66.7% 0.133 155.9)
XYZ	xyz(19.8458, 31.7853, 20.7089)
Luminance	0.3179 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC71 #AC407B

analogous

#45AC40 #40AC71 #40ACA7

triadic

#40AC71 #7140AC #AC7140

tetradic

#40AC71 #4045AC #AC407B #ACA740

square

#40AC71 #4045AC #AC407B #ACA740

split-complementary

#40AC71 #A740AC #AC4045

monochromatic

#1F5336 #2F7F54 #40AC71 #64C590 #91D6B0

Accessibility & contrast

On white

2.85

#40AC71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#40AC71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC71

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC71	#FFFFFF	#000000	##000000
##40AC71	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9F6D

Deuteranopia (green-blind)

#9D9575

Tritanopia (blue-blind)

#0AAA9D

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40ac71;
/* rgb */ color: rgb(64, 172, 113);
/* oklch */ color: oklch(66.7% 0.133 155.9);

Tailwind

colors: {
  custom: {
    50: '#80c59a',
    500: '#40ac71',
    950: '#000000',
  },
}

SCSS

$custom: #40ac71;
$custom-light: #80c59a;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac71",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 113
  },
  "hsl": {
    "h": 147.222,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.66703,
    "c": 0.13264,
    "h": 155.9
  },
  "luminance": 0.31787
}

Semantic roles & 50–950 ramp

primary

#40AC71

secondary

#C187A7

accent

#529AD5

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40AC71

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

Preview Lab → · Contrast checker → · Palette generator →