#1B7B40#1B7B40

#1B7B40 is a mid, vivid green. Relative luminance 0.148; OKLCH L 51.5% C 0.126 H 151.3°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B7B40
RGB	rgb(27, 123, 64)
HSL	hsl(143, 64%, 29%)
HSV	hsv(143, 78%, 48%)
CMYK	cmyk(78%, 0%, 48%, 51.8%)
CIE-LAB	lab(45.31, -41.05, 24.64)
CIE-LCH	lch(45.31, 47.87, 149.03°)
OKLab	oklab(51.47% -0.1104 0.0604)
OKLCH	oklch(51.47% 0.126 151.3)
XYZ	xyz(8.4596, 14.7681, 7.2542)
Luminance	0.1477 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7B40 #7B1B56

analogous

#267B1B #1B7B40 #1B7B70

triadic

#1B7B40 #401B7B #7B401B

tetradic

#1B7B40 #1B267B #7B1B56 #7B701B

square

#1B7B40 #1B267B #7B1B56 #7B701B

split-complementary

#1B7B40 #701B7B #7B1B26

monochromatic

#06190D #104926 #1B7B40 #26AD5A #3CD477

Accessibility & contrast

On white

5.31

#1B7B40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#1B7B40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7B40

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7B40	#FFFFFF	#000000	##FFFFFF
##1B7B40	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B703B

Deuteranopia (green-blind)

#706844

Tritanopia (blue-blind)

#00796D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1b7b40;
/* rgb */ color: rgb(27, 123, 64);
/* oklch */ color: oklch(51.5% 0.126 151.3);

Tailwind

colors: {
  custom: {
    50: '#68a276',
    500: '#1b7b40',
    950: '#000000',
  },
}

SCSS

$custom: #1b7b40;
$custom-light: #68a276;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7b40",
  "rgb": {
    "r": 27,
    "g": 123,
    "b": 64
  },
  "hsl": {
    "h": 143.125,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.51472,
    "c": 0.12582,
    "h": 151.3
  },
  "luminance": 0.14769
}

Semantic roles & 50–950 ramp

primary

#1B7B40

secondary

#AF4385

accent

#41A7E7

background

#F6FAF7

surface

#EBF4ED

border

#C6CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #1B7B40

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

Preview Lab → · Contrast checker → · Palette generator →