#40AC3B#40AC3B

#40AC3B is a light, vivid green. Relative luminance 0.309; OKLCH L 65.9% C 0.181 H 142.5°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#40AC3B
RGB	rgb(64, 172, 59)
HSL	hsl(117, 49%, 45%)
HSV	hsv(117, 66%, 67%)
CMYK	cmyk(62.8%, 0%, 65.7%, 32.5%)
CIE-LAB	lab(62.43, -52.78, 47.55)
CIE-LCH	lch(62.43, 71.04, 137.98°)
OKLab	oklab(65.86% -0.1436 0.1101)
OKLCH	oklch(65.86% 0.181 142.5)
XYZ	xyz(17.6553, 30.9091, 9.1725)
Luminance	0.3091 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC3B #A73BAC

analogous

#78AC3B #40AC3B #3BAC6E

triadic

#40AC3B #3B40AC #AC3B40

tetradic

#40AC3B #3B78AC #A73BAC #AC6E3B

square

#40AC3B #3B78AC #A73BAC #AC6E3B

split-complementary

#40AC3B #6E3BAC #AC3B78

monochromatic

#1E511C #2F7E2B #40AC3B #62C75D #8ED78A

Accessibility & contrast

On white

2.92

#40AC3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#40AC3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC3B

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC3B	#FFFFFF	#000000	##000000
##40AC3B	1.00	2.92	7.18	7.18
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C2D

Deuteranopia (green-blind)

#A39345

Tritanopia (blue-blind)

#2CA795

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40ac3b;
/* rgb */ color: rgb(64, 172, 59);
/* oklch */ color: oklch(65.9% 0.181 142.5);

Tailwind

colors: {
  custom: {
    50: '#82c676',
    500: '#40ac3b',
    950: '#000000',
  },
}

SCSS

$custom: #40ac3b;
$custom-light: #82c676;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac3b",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 59
  },
  "hsl": {
    "h": 117.345,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.6586,
    "c": 0.18093,
    "h": 142.5
  },
  "luminance": 0.30911
}

Semantic roles & 50–950 ramp

primary

#40AC3B

secondary

#BF81C1

accent

#4FD8D2

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40AC3B

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

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