#1B9440#1B9440

#1B9440 is a mid, vivid green. Relative luminance 0.218; OKLCH L 58.5% C 0.159 H 148.1°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B9440
RGB	rgb(27, 148, 64)
HSL	hsl(138, 69%, 34%)
HSV	hsv(138, 82%, 58%)
CMYK	cmyk(81.8%, 0%, 56.8%, 42%)
CIE-LAB	lab(53.79, -50.24, 35.12)
CIE-LCH	lch(53.79, 61.30, 145.05°)
OKLab	oklab(58.5% -0.1349 0.0839)
OKLCH	oklch(58.5% 0.159 148.1)
XYZ	xyz(11.9663, 21.7815, 8.4231)
Luminance	0.2178 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9440 #941B6F

analogous

#33941B #1B9440 #1B947D

triadic

#1B9440 #401B94 #94401B

tetradic

#1B9440 #1B3394 #941B6F #947D1B

square

#1B9440 #1B3394 #941B6F #947D1B

split-complementary

#1B9440 #7D1B94 #941B33

monochromatic

#082C13 #12602A #1B9440 #24C856 #4BDE78

Accessibility & contrast

On white

3.92

#1B9440 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#1B9440 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9440

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9440	#FFFFFF	#000000	##000000
##1B9440	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968638

Deuteranopia (green-blind)

#887D47

Tritanopia (blue-blind)

#009181

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1b9440;
/* rgb */ color: rgb(27, 148, 64);
/* oklch */ color: oklch(58.5% 0.159 148.1);

Tailwind

colors: {
  custom: {
    50: '#6eb577',
    500: '#1b9440',
    950: '#000000',
  },
}

SCSS

$custom: #1b9440;
$custom-light: #6eb577;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9440",
  "rgb": {
    "r": 27,
    "g": 148,
    "b": 64
  },
  "hsl": {
    "h": 138.347,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58495,
    "c": 0.1589,
    "h": 148.1
  },
  "luminance": 0.21783
}

Semantic roles & 50–950 ramp

primary

#1B9440

secondary

#C04B9C

accent

#3CB6EC

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081109

muted

#7B807B

Preview Lab

Preview with #1B9440

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

Preview Lab → · Contrast checker → · Palette generator →