#40B273#40B273

#40B273 is a light, vivid green. Relative luminance 0.342; OKLCH L 68.3% C 0.139 H 155.5°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#40B273
RGB	rgb(64, 178, 115)
HSL	hsl(147, 47%, 47%)
HSV	hsv(147, 64%, 70%)
CMYK	cmyk(64%, 0%, 35.4%, 30.2%)
CIE-LAB	lab(65.09, -46.66, 23.00)
CIE-LCH	lch(65.09, 52.02, 153.76°)
OKLab	oklab(68.3% -0.1265 0.0578)
OKLCH	oklch(68.3% 0.139 155.5)
XYZ	xyz(21.1274, 34.1664, 21.6977)
Luminance	0.3417 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B273 #B2407F

analogous

#46B240 #40B273 #40B2AC

triadic

#40B273 #7340B2 #B27340

tetradic

#40B273 #4046B2 #B2407F #B2AC40

square

#40B273 #4046B2 #B2407F #B2AC40

split-complementary

#40B273 #AC40B2 #B24046

monochromatic

#205839 #308556 #40B273 #67C892 #94D8B3

Accessibility & contrast

On white

2.68

#40B273 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#40B273 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B273

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B273	#FFFFFF	#000000	##000000
##40B273	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A46F

Deuteranopia (green-blind)

#A29A77

Tritanopia (blue-blind)

#00B0A2

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b273;
/* rgb */ color: rgb(64, 178, 115);
/* oklch */ color: oklch(68.3% 0.139 155.5);

Tailwind

colors: {
  custom: {
    50: '#81ca9b',
    500: '#40b273',
    950: '#000000',
  },
}

SCSS

$custom: #40b273;
$custom-light: #81ca9b;
$custom-dark: #000000;

JSON

{
  "hex": "#40b273",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 115
  },
  "hsl": {
    "h": 146.842,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.68299,
    "c": 0.13912,
    "h": 155.5
  },
  "luminance": 0.34169
}

Semantic roles & 50–950 ramp

primary

#40B273

secondary

#C48AAA

accent

#519BD7

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B273

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

Preview Lab → · Contrast checker → · Palette generator →