#1B972F#1B972F

#1B972F is a mid, vivid green. Relative luminance 0.226; OKLCH L 59.1% C 0.176 H 144.9°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B972F
RGB	rgb(27, 151, 47)
HSL	hsl(130, 70%, 35%)
HSV	hsv(130, 82%, 59%)
CMYK	cmyk(82.1%, 0%, 68.9%, 40.8%)
CIE-LAB	lab(54.63, -53.38, 43.96)
CIE-LCH	lch(54.63, 69.15, 140.53°)
OKLab	oklab(59.13% -0.144 0.1013)
OKLCH	oklch(59.13% 0.176 144.9)
XYZ	xyz(12.0308, 22.5700, 6.4112)
Luminance	0.2257 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B972F #971B83

analogous

#45971B #1B972F #1B976D

triadic

#1B972F #2F1B97 #972F1B

tetradic

#1B972F #1B4597 #971B83 #976D1B

square

#1B972F #1B4597 #971B83 #976D1B

split-complementary

#1B972F #6D1B97 #971B45

monochromatic

#082F0F #12631F #1B972F #24CB3F #4DDF65

Accessibility & contrast

On white

3.81

#1B972F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#1B972F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B972F

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B972F	#FFFFFF	#000000	##000000
##1B972F	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8821

Deuteranopia (green-blind)

#8C7F39

Tritanopia (blue-blind)

#009382

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b972f;
/* rgb */ color: rgb(27, 151, 47);
/* oklch */ color: oklch(59.1% 0.176 144.9);

Tailwind

colors: {
  custom: {
    50: '#70b76d',
    500: '#1b972f',
    950: '#000000',
  },
}

SCSS

$custom: #1b972f;
$custom-light: #70b76d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b972f",
  "rgb": {
    "r": 27,
    "g": 151,
    "b": 47
  },
  "hsl": {
    "h": 129.677,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.5913,
    "c": 0.17606,
    "h": 144.9
  },
  "luminance": 0.22571
}

Semantic roles & 50–950 ramp

primary

#1B972F

secondary

#C14CAF

accent

#3BD0EC

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #1B972F

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

Preview Lab → · Contrast checker → · Palette generator →