#1B8737#1B8737

#1B8737 is a mid, vivid green. Relative luminance 0.178; OKLCH L 54.7% C 0.150 H 147.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B8737
RGB	rgb(27, 135, 55)
HSL	hsl(136, 67%, 32%)
HSV	hsv(136, 80%, 53%)
CMYK	cmyk(80%, 0%, 59.3%, 47.1%)
CIE-LAB	lab(49.30, -46.95, 34.26)
CIE-LCH	lch(49.30, 58.12, 143.89°)
OKLab	oklab(54.73% -0.1263 0.0813)
OKLCH	oklch(54.73% 0.15 147.2)
XYZ	xyz(9.8048, 17.8356, 6.5396)
Luminance	0.1784 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8737 #871B6B

analogous

#35871B #1B8737 #1B876D

triadic

#1B8737 #371B87 #87371B

tetradic

#1B8737 #1B3587 #871B6B #876D1B

square

#1B8737 #1B3587 #871B6B #876D1B

split-complementary

#1B8737 #6D1B87 #871B35

monochromatic

#07210D #115422 #1B8737 #25BA4C #43D96A

Accessibility & contrast

On white

4.60

#1B8737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#1B8737 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8737

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8737	#FFFFFF	#000000	##FFFFFF
##1B8737	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#897A2F

Deuteranopia (green-blind)

#7D723D

Tritanopia (blue-blind)

#008475

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1b8737;
/* rgb */ color: rgb(27, 135, 55);
/* oklch */ color: oklch(54.7% 0.150 147.2);

Tailwind

colors: {
  custom: {
    50: '#6bab70',
    500: '#1b8737',
    950: '#000000',
  },
}

SCSS

$custom: #1b8737;
$custom-light: #6bab70;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8737",
  "rgb": {
    "r": 27,
    "g": 135,
    "b": 55
  },
  "hsl": {
    "h": 135.556,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54729,
    "c": 0.15021,
    "h": 147.2
  },
  "luminance": 0.17837
}

Semantic roles & 50–950 ramp

primary

#1B8737

secondary

#BA449B

accent

#3EBDEA

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #1B8737

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

Preview Lab → · Contrast checker → · Palette generator →