#40A571#40A571

#40A571 is a light, vivid green. Relative luminance 0.292; OKLCH L 64.9% C 0.123 H 157.6°. Best body text is #000000 at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#40A571
RGB	rgb(64, 165, 113)
HSL	hsl(149, 44%, 45%)
HSV	hsv(149, 61%, 65%)
CMYK	cmyk(61.2%, 0%, 31.5%, 35.3%)
CIE-LAB	lab(60.95, -41.66, 18.46)
CIE-LCH	lch(60.95, 45.57, 156.10°)
OKLab	oklab(64.89% -0.1135 0.0467)
OKLCH	oklch(64.89% 0.123 157.6)
XYZ	xyz(18.5485, 29.1907, 20.2764)
Luminance	0.2919 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A571 #A54074

analogous

#41A540 #40A571 #40A5A4

triadic

#40A571 #7140A5 #A57140

tetradic

#40A571 #4041A5 #A54074 #A5A440

square

#40A571 #4041A5 #A54074 #A5A440

split-complementary

#40A571 #A440A5 #A54041

monochromatic

#1E4D35 #2F7953 #40A571 #61C290 #8DD3AF

Accessibility & contrast

On white

3.07

#40A571 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.84

#40A571 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A571

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A571	#FFFFFF	#000000	##000000
##40A571	1.00	3.07	6.84	6.84
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.84	21.00	1.00	1.00
##000000	6.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4996E

Deuteranopia (green-blind)

#968F74

Tritanopia (blue-blind)

#12A497

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #40a571;
/* rgb */ color: rgb(64, 165, 113);
/* oklch */ color: oklch(64.9% 0.123 157.6);

Tailwind

colors: {
  custom: {
    50: '#7fc09a',
    500: '#40a571',
    950: '#000000',
  },
}

SCSS

$custom: #40a571;
$custom-light: #7fc09a;
$custom-dark: #000000;

JSON

{
  "hex": "#40a571",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 113
  },
  "hsl": {
    "h": 149.109,
    "s": 44.105,
    "l": 44.902
  },
  "oklch": {
    "l": 0.64887,
    "c": 0.12277,
    "h": 157.6
  },
  "luminance": 0.29193
}

Semantic roles & 50–950 ramp

primary

#40A571

secondary

#BE83A1

accent

#5496D4

background

#F8FBF9

surface

#EFF7F2

border

#CAD0CC

text

#0B120E

muted

#7C817E

Preview Lab

Preview with #40A571

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

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