#40AF5B#40AF5B

#40AF5B is a light, vivid green. Relative luminance 0.325; OKLCH L 67.1% C 0.158 H 148.4°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#40AF5B
RGB	rgb(64, 175, 91)
HSL	hsl(135, 46%, 47%)
HSV	hsv(135, 63%, 69%)
CMYK	cmyk(63.4%, 0%, 48%, 31.4%)
CIE-LAB	lab(63.76, -49.74, 33.87)
CIE-LCH	lch(63.76, 60.18, 145.74°)
OKLab	oklab(67.07% -0.1343 0.0826)
OKLCH	oklch(67.07% 0.158 148.4)
XYZ	xyz(19.3313, 32.5033, 15.1505)
Luminance	0.3251 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AF5B #AF4094

analogous

#5CAF40 #40AF5B #40AF93

triadic

#40AF5B #5B40AF #AF5B40

tetradic

#40AF5B #405CAF #AF4094 #AF9340

square

#40AF5B #405CAF #AF4094 #AF9340

split-complementary

#40AF5B #9340AF #AF405C

monochromatic

#1F552C #308244 #40AF5B #65C77D #92D7A3

Accessibility & contrast

On white

2.80

#40AF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#40AF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AF5B

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AF5B	#FFFFFF	#000000	##000000
##40AF5B	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A054

Deuteranopia (green-blind)

#A39761

Tritanopia (blue-blind)

#1EAC9B

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40af5b;
/* rgb */ color: rgb(64, 175, 91);
/* oklch */ color: oklch(67.1% 0.158 148.4);

Tailwind

colors: {
  custom: {
    50: '#81c88b',
    500: '#40af5b',
    950: '#000000',
  },
}

SCSS

$custom: #40af5b;
$custom-light: #81c88b;
$custom-dark: #000000;

JSON

{
  "hex": "#40af5b",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 91
  },
  "hsl": {
    "h": 134.595,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.67072,
    "c": 0.15763,
    "h": 148.4
  },
  "luminance": 0.32505
}

Semantic roles & 50–950 ramp

primary

#40AF5B

secondary

#C388B4

accent

#52B6D6

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40AF5B

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

Preview Lab → · Contrast checker → · Palette generator →