#1B8739#1B8739

#1B8739 is a mid, vivid green. Relative luminance 0.179; OKLCH L 54.8% C 0.148 H 147.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B8739
RGB	rgb(27, 135, 57)
HSL	hsl(137, 67%, 32%)
HSV	hsv(137, 80%, 53%)
CMYK	cmyk(80%, 0%, 57.8%, 47.1%)
CIE-LAB	lab(49.32, -46.67, 33.28)
CIE-LCH	lch(49.32, 57.32, 144.50°)
OKLab	oklab(54.76% -0.1254 0.0794)
OKLCH	oklch(54.76% 0.148 147.7)
XYZ	xyz(9.8537, 17.8552, 6.7972)
Luminance	0.1786 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8739 #871B69

analogous

#33871B #1B8739 #1B876F

triadic

#1B8739 #391B87 #87391B

tetradic

#1B8739 #1B3387 #871B69 #876F1B

square

#1B8739 #1B3387 #871B69 #876F1B

split-complementary

#1B8739 #6F1B87 #871B33

monochromatic

#07210E #115423 #1B8739 #25BA4F #43D96D

Accessibility & contrast

On white

4.59

#1B8739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#1B8739 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8739

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8739	#FFFFFF	#000000	##FFFFFF
##1B8739	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#897A32

Deuteranopia (green-blind)

#7C723F

Tritanopia (blue-blind)

#008476

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b8739;
/* rgb */ color: rgb(27, 135, 57);
/* oklch */ color: oklch(54.8% 0.148 147.7);

Tailwind

colors: {
  custom: {
    50: '#6bab72',
    500: '#1b8739',
    950: '#000000',
  },
}

SCSS

$custom: #1b8739;
$custom-light: #6bab72;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8739",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 57
  },
  "hsl": {
    "h": 136.667,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54756,
    "c": 0.14845,
    "h": 147.7
  },
  "luminance": 0.17856
}

Semantic roles & 50–950 ramp

primary

#1B8739

secondary

#BA4499

accent

#3EBAEA

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #1B8739

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

Preview Lab → · Contrast checker → · Palette generator →