#1B7D31#1B7D31

#1B7D31 is a mid, vivid green. Relative luminance 0.151; OKLCH L 51.8% C 0.143 H 146.6°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B7D31
RGB	rgb(27, 125, 49)
HSL	hsl(133, 64%, 30%)
HSV	hsv(133, 78%, 49%)
CMYK	cmyk(78.4%, 0%, 60.8%, 51%)
CIE-LAB	lab(45.80, -44.20, 33.14)
CIE-LCH	lch(45.80, 55.24, 143.14°)
OKLab	oklab(51.81% -0.119 0.0784)
OKLCH	oklch(51.81% 0.143 146.6)
XYZ	xyz(8.3394, 15.1210, 5.3843)
Luminance	0.1512 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7D31 #7D1B67

analogous

#367D1B #1B7D31 #1B7D62

triadic

#1B7D31 #311B7D #7D311B

tetradic

#1B7D31 #1B367D #7D1B67 #7D621B

square

#1B7D31 #1B367D #7D1B67 #7D621B

split-complementary

#1B7D31 #621B7D #7D1B36

monochromatic

#05190A #104B1D #1B7D31 #26AF45 #3DD55F

Accessibility & contrast

On white

5.22

#1B7D31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#1B7D31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7D31

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7D31	#FFFFFF	#000000	##FFFFFF
##1B7D31	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7129

Deuteranopia (green-blind)

#746937

Tritanopia (blue-blind)

#007A6C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1b7d31;
/* rgb */ color: rgb(27, 125, 49);
/* oklch */ color: oklch(51.8% 0.143 146.6);

Tailwind

colors: {
  custom: {
    50: '#69a46c',
    500: '#1b7d31',
    950: '#000000',
  },
}

SCSS

$custom: #1b7d31;
$custom-light: #69a46c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7d31",
  "rgb": {
    "r": 27,
    "g": 125,
    "b": 49
  },
  "hsl": {
    "h": 133.469,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.51807,
    "c": 0.14252,
    "h": 146.6
  },
  "luminance": 0.15122
}

Semantic roles & 50–950 ramp

primary

#1B7D31

secondary

#B14398

accent

#40C2E7

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#070F07

muted

#7A7F7A

Preview Lab

Preview with #1B7D31

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

Preview Lab → · Contrast checker → · Palette generator →