#40B274#40B274

#40B274 is a light, vivid green. Relative luminance 0.342; OKLCH L 68.3% C 0.138 H 155.8°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#40B274
RGB	rgb(64, 178, 116)
HSL	hsl(147, 47%, 47%)
HSV	hsv(147, 64%, 70%)
CMYK	cmyk(64%, 0%, 34.8%, 30.2%)
CIE-LAB	lab(65.11, -46.47, 22.49)
CIE-LCH	lch(65.11, 51.62, 154.18°)
OKLab	oklab(68.32% -0.1261 0.0566)
OKLCH	oklch(68.32% 0.138 155.8)
XYZ	xyz(21.1853, 34.1895, 22.0024)
Luminance	0.3419 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B274 #B2407E

analogous

#45B240 #40B274 #40B2AD

triadic

#40B274 #7440B2 #B27440

tetradic

#40B274 #4045B2 #B2407E #B2AD40

square

#40B274 #4045B2 #B2407E #B2AD40

split-complementary

#40B274 #AD40B2 #B24045

monochromatic

#205839 #308557 #40B274 #67C893 #94D8B3

Accessibility & contrast

On white

2.68

#40B274 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#40B274 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B274

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B274	#FFFFFF	#000000	##000000
##40B274	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A470

Deuteranopia (green-blind)

#A29A78

Tritanopia (blue-blind)

#00B0A2

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b274;
/* rgb */ color: rgb(64, 178, 116);
/* oklch */ color: oklch(68.3% 0.138 155.8);

Tailwind

colors: {
  custom: {
    50: '#81ca9c',
    500: '#40b274',
    950: '#000000',
  },
}

SCSS

$custom: #40b274;
$custom-light: #81ca9c;
$custom-dark: #000000;

JSON

{
  "hex": "#40b274",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 116
  },
  "hsl": {
    "h": 147.368,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.6832,
    "c": 0.13818,
    "h": 155.8
  },
  "luminance": 0.34192
}

Semantic roles & 50–950 ramp

primary

#40B274

secondary

#C48AA9

accent

#519AD7

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B274

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

Preview Lab → · Contrast checker → · Palette generator →