#1B7D41#1B7D41

#1B7D41 is a mid, vivid green. Relative luminance 0.153; OKLCH L 52.1% C 0.128 H 151.3°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B7D41
RGB	rgb(27, 125, 65)
HSL	hsl(143, 64%, 30%)
HSV	hsv(143, 78%, 49%)
CMYK	cmyk(78.4%, 0%, 48%, 51%)
CIE-LAB	lab(46.02, -41.64, 24.98)
CIE-LCH	lch(46.02, 48.56, 149.04°)
OKLab	oklab(52.06% -0.1119 0.0612)
OKLCH	oklch(52.06% 0.128 151.3)
XYZ	xyz(8.7390, 15.2809, 7.4889)
Luminance	0.1528 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7D41 #7D1B57

analogous

#267D1B #1B7D41 #1B7D72

triadic

#1B7D41 #411B7D #7D411B

tetradic

#1B7D41 #1B267D #7D1B57 #7D721B

square

#1B7D41 #1B267D #7D1B57 #7D721B

split-complementary

#1B7D41 #721B7D #7D1B26

monochromatic

#05190D #104B27 #1B7D41 #26AF5B #3DD578

Accessibility & contrast

On white

5.18

#1B7D41 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#1B7D41 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7D41

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7D41	#FFFFFF	#000000	##FFFFFF
##1B7D41	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D723C

Deuteranopia (green-blind)

#726A45

Tritanopia (blue-blind)

#007B6F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1b7d41;
/* rgb */ color: rgb(27, 125, 65);
/* oklch */ color: oklch(52.1% 0.128 151.3);

Tailwind

colors: {
  custom: {
    50: '#68a476',
    500: '#1b7d41',
    950: '#000000',
  },
}

SCSS

$custom: #1b7d41;
$custom-light: #68a476;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7d41",
  "rgb": {
    "r": 27,
    "g": 125,
    "b": 65
  },
  "hsl": {
    "h": 143.265,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.52057,
    "c": 0.1276,
    "h": 151.3
  },
  "luminance": 0.15282
}

Semantic roles & 50–950 ramp

primary

#1B7D41

secondary

#B14386

accent

#40A7E7

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #1B7D41

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

Preview Lab → · Contrast checker → · Palette generator →