#1B7D40#1B7D40

#1B7D40 is a mid, vivid green. Relative luminance 0.153; OKLCH L 52.0% C 0.129 H 151.0°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B7D40
RGB	rgb(27, 125, 64)
HSL	hsl(143, 64%, 30%)
HSV	hsv(143, 78%, 49%)
CMYK	cmyk(78.4%, 0%, 48.8%, 51%)
CIE-LAB	lab(46.00, -41.82, 25.51)
CIE-LCH	lch(46.00, 48.99, 148.62°)
OKLab	oklab(52.04% -0.1124 0.0624)
OKLCH	oklch(52.04% 0.129 151)
XYZ	xyz(8.7103, 15.2694, 7.3377)
Luminance	0.1527 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7D40 #7D1B58

analogous

#277D1B #1B7D40 #1B7D71

triadic

#1B7D40 #401B7D #7D401B

tetradic

#1B7D40 #1B277D #7D1B58 #7D711B

square

#1B7D40 #1B277D #7D1B58 #7D711B

split-complementary

#1B7D40 #711B7D #7D1B27

monochromatic

#05190D #104B26 #1B7D40 #26AF5A #3DD577

Accessibility & contrast

On white

5.18

#1B7D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#1B7D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7D40

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7D40	#FFFFFF	#000000	##FFFFFF
##1B7D40	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E723B

Deuteranopia (green-blind)

#726A44

Tritanopia (blue-blind)

#007B6E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1b7d40;
/* rgb */ color: rgb(27, 125, 64);
/* oklch */ color: oklch(52.0% 0.129 151.0);

Tailwind

colors: {
  custom: {
    50: '#68a476',
    500: '#1b7d40',
    950: '#000000',
  },
}

SCSS

$custom: #1b7d40;
$custom-light: #68a476;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7d40",
  "rgb": {
    "r": 27,
    "g": 125,
    "b": 64
  },
  "hsl": {
    "h": 142.653,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.52039,
    "c": 0.12858,
    "h": 151
  },
  "luminance": 0.1527
}

Semantic roles & 50–950 ramp

primary

#1B7D40

secondary

#B14387

accent

#40A8E7

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #1B7D40

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

Preview Lab → · Contrast checker → · Palette generator →