#1B7E37#1B7E37

#1B7E37 is a mid, vivid green. Relative luminance 0.154; OKLCH L 52.2% C 0.138 H 148.0°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B7E37
RGB	rgb(27, 126, 55)
HSL	hsl(137, 65%, 30%)
HSV	hsv(137, 79%, 49%)
CMYK	cmyk(78.6%, 0%, 56.3%, 50.6%)
CIE-LAB	lab(46.22, -43.69, 30.58)
CIE-LCH	lch(46.22, 53.33, 145.01°)
OKLab	oklab(52.18% -0.1175 0.0733)
OKLCH	oklch(52.18% 0.138 148)
XYZ	xyz(8.6018, 15.4295, 6.1386)
Luminance	0.1543 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7E37 #7E1B62

analogous

#307E1B #1B7E37 #1B7E69

triadic

#1B7E37 #371B7E #7E371B

tetradic

#1B7E37 #1B307E #7E1B62 #7E691B

square

#1B7E37 #1B307E #7E1B62 #7E691B

split-complementary

#1B7E37 #691B7E #7E1B30

monochromatic

#05190B #104C21 #1B7E37 #26B04D #3ED669

Accessibility & contrast

On white

5.14

#1B7E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#1B7E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7E37

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7E37	#FFFFFF	#000000	##FFFFFF
##1B7E37	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7230

Deuteranopia (green-blind)

#746A3C

Tritanopia (blue-blind)

#007B6E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1b7e37;
/* rgb */ color: rgb(27, 126, 55);
/* oklch */ color: oklch(52.2% 0.138 148.0);

Tailwind

colors: {
  custom: {
    50: '#69a470',
    500: '#1b7e37',
    950: '#000000',
  },
}

SCSS

$custom: #1b7e37;
$custom-light: #69a470;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7e37",
  "rgb": {
    "r": 27,
    "g": 126,
    "b": 55
  },
  "hsl": {
    "h": 136.97,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.52176,
    "c": 0.13847,
    "h": 148
  },
  "luminance": 0.15431
}

Semantic roles & 50–950 ramp

primary

#1B7E37

secondary

#B24392

accent

#40B8E8

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#070F07

muted

#7A7F7A

Preview Lab

Preview with #1B7E37

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

Preview Lab → · Contrast checker → · Palette generator →