#1B9740#1B9740

#1B9740 is a mid, vivid green. Relative luminance 0.227; OKLCH L 59.3% C 0.163 H 147.9°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#1B9740
RGB	rgb(27, 151, 64)
HSL	hsl(138, 70%, 35%)
HSV	hsv(138, 82%, 59%)
CMYK	cmyk(82.1%, 0%, 57.6%, 40.8%)
CIE-LAB	lab(54.80, -51.28, 36.31)
CIE-LCH	lch(54.80, 62.84, 144.70°)
OKLab	oklab(59.33% -0.1377 0.0865)
OKLCH	oklch(59.33% 0.163 147.9)
XYZ	xyz(12.4430, 22.7349, 8.5820)
Luminance	0.2274 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9740 #971B72

analogous

#34971B #1B9740 #1B977E

triadic

#1B9740 #401B97 #97401B

tetradic

#1B9740 #1B3497 #971B72 #977E1B

square

#1B9740 #1B3497 #971B72 #977E1B

split-complementary

#1B9740 #7E1B97 #971B34

monochromatic

#082F14 #12632A #1B9740 #24CB56 #4DDF79

Accessibility & contrast

On white

3.79

#1B9740 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#1B9740 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9740

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9740	#FFFFFF	#000000	##000000
##1B9740	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#998938

Deuteranopia (green-blind)

#8B7F47

Tritanopia (blue-blind)

#009484

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b9740;
/* rgb */ color: rgb(27, 151, 64);
/* oklch */ color: oklch(59.3% 0.163 147.9);

Tailwind

colors: {
  custom: {
    50: '#6fb777',
    500: '#1b9740',
    950: '#000000',
  },
}

SCSS

$custom: #1b9740;
$custom-light: #6fb777;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9740",
  "rgb": {
    "r": 27,
    "g": 151,
    "b": 64
  },
  "hsl": {
    "h": 137.903,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59327,
    "c": 0.16267,
    "h": 147.9
  },
  "luminance": 0.22736
}

Semantic roles & 50–950 ramp

primary

#1B9740

secondary

#C14C9F

accent

#3BB8EC

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #1B9740

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

Preview Lab → · Contrast checker → · Palette generator →