#1B8129#1B8129

#1B8129 is a mid, vivid green. Relative luminance 0.161; OKLCH L 52.9% C 0.154 H 144.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B8129
RGB	rgb(27, 129, 41)
HSL	hsl(128, 65%, 31%)
HSV	hsv(128, 79%, 51%)
CMYK	cmyk(79.1%, 0%, 68.2%, 49.4%)
CIE-LAB	lab(47.10, -46.61, 38.40)
CIE-LCH	lch(47.10, 60.40, 140.51°)
OKLab	oklab(52.86% -0.1259 0.0889)
OKLCH	oklch(52.86% 0.154 144.8)
XYZ	xyz(8.7019, 16.0926, 4.7450)
Luminance	0.1609 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8129 #811B73

analogous

#40811B #1B8129 #1B815C

triadic

#1B8129 #291B81 #81291B

tetradic

#1B8129 #1B4081 #811B73 #815C1B

square

#1B8129 #1B4081 #811B73 #815C1B

split-complementary

#1B8129 #5C1B81 #811B40

monochromatic

#061C09 #104E19 #1B8129 #26B439 #3FD754

Accessibility & contrast

On white

4.98

#1B8129 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#1B8129 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8129

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8129	#FFFFFF	#000000	##FFFFFF
##1B8129	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#83741E

Deuteranopia (green-blind)

#786D31

Tritanopia (blue-blind)

#007D6F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #1b8129;
/* rgb */ color: rgb(27, 129, 41);
/* oklch */ color: oklch(52.9% 0.154 144.8);

Tailwind

colors: {
  custom: {
    50: '#6aa767',
    500: '#1b8129',
    950: '#000000',
  },
}

SCSS

$custom: #1b8129;
$custom-light: #6aa767;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8129",
  "rgb": {
    "r": 27,
    "g": 129,
    "b": 41
  },
  "hsl": {
    "h": 128.235,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.52856,
    "c": 0.15408,
    "h": 144.8
  },
  "luminance": 0.16094
}

Semantic roles & 50–950 ramp

primary

#1B8129

secondary

#B543A5

accent

#3FD1E8

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#080F06

muted

#7A7F7A

Preview Lab

Preview with #1B8129

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

Preview Lab → · Contrast checker → · Palette generator →