#1B8B3E#1B8B3E

#1B8B3E is a mid, vivid green. Relative luminance 0.190; OKLCH L 56.0% C 0.149 H 148.5°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B3E
RGB	rgb(27, 139, 62)
HSL	hsl(139, 67%, 33%)
HSV	hsv(139, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 55.4%, 45.5%)
CIE-LAB	lab(50.74, -47.35, 32.45)
CIE-LCH	lch(50.74, 57.40, 145.58°)
OKLab	oklab(55.95% -0.1272 0.0779)
OKLCH	oklch(55.95% 0.149 148.5)
XYZ	xyz(10.5533, 19.0448, 7.6763)
Luminance	0.1905 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B3E #8B1B68

analogous

#308B1B #1B8B3E #1B8B76

triadic

#1B8B3E #3E1B8B #8B3E1B

tetradic

#1B8B3E #1B308B #8B1B68 #8B761B

square

#1B8B3E #1B308B #8B1B68 #8B761B

split-complementary

#1B8B3E #761B8B #8B1B30

monochromatic

#072510 #115827 #1B8B3E #25BE55 #45DB74

Accessibility & contrast

On white

4.37

#1B8B3E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#1B8B3E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B3E

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B3E	#FFFFFF	#000000	##000000
##1B8B3E	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7E37

Deuteranopia (green-blind)

#807544

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1b8b3e;
/* rgb */ color: rgb(27, 139, 62);
/* oklch */ color: oklch(56.0% 0.149 148.5);

Tailwind

colors: {
  custom: {
    50: '#6cae75',
    500: '#1b8b3e',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b3e;
$custom-light: #6cae75;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b3e",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 62
  },
  "hsl": {
    "h": 138.75,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55953,
    "c": 0.14916,
    "h": 148.5
  },
  "luminance": 0.19046
}

Semantic roles & 50–950 ramp

primary

#1B8B3E

secondary

#BC4597

accent

#3DB4EA

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1B8B3E

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

Preview Lab → · Contrast checker → · Palette generator →