#1B8F40#1B8F40

#1B8F40 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.1% C 0.153 H 148.6°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B8F40
RGB	rgb(27, 143, 64)
HSL	hsl(139, 68%, 33%)
HSV	hsv(139, 81%, 56%)
CMYK	cmyk(81.1%, 0%, 55.2%, 43.9%)
CIE-LAB	lab(52.12, -48.48, 33.09)
CIE-LCH	lch(52.12, 58.69, 145.68°)
OKLab	oklab(57.1% -0.1302 0.0794)
OKLCH	oklch(57.1% 0.153 148.6)
XYZ	xyz(11.1990, 20.2467, 8.1673)
Luminance	0.2025 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8F40 #8F1B6A

analogous

#308F1B #1B8F40 #1B8F7A

triadic

#1B8F40 #401B8F #8F401B

tetradic

#1B8F40 #1B308F #8F1B6A #8F7A1B

square

#1B8F40 #1B308F #8F1B6A #8F7A1B

split-complementary

#1B8F40 #7A1B8F #8F1B30

monochromatic

#082812 #115C29 #1B8F40 #25C257 #48DC77

Accessibility & contrast

On white

4.16

#1B8F40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#1B8F40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8F40

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8F40	#FFFFFF	#000000	##000000
##1B8F40	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908239

Deuteranopia (green-blind)

#837946

Tritanopia (blue-blind)

#008C7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1b8f40;
/* rgb */ color: rgb(27, 143, 64);
/* oklch */ color: oklch(57.1% 0.153 148.6);

Tailwind

colors: {
  custom: {
    50: '#6db177',
    500: '#1b8f40',
    950: '#000000',
  },
}

SCSS

$custom: #1b8f40;
$custom-light: #6db177;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8f40",
  "rgb": {
    "r": 27,
    "g": 143,
    "b": 64
  },
  "hsl": {
    "h": 139.138,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57102,
    "c": 0.15252,
    "h": 148.6
  },
  "luminance": 0.20248
}

Semantic roles & 50–950 ramp

primary

#1B8F40

secondary

#BE4898

accent

#3DB3EB

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081109

muted

#7B807B

Preview Lab

Preview with #1B8F40

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

Preview Lab → · Contrast checker → · Palette generator →