#1B9E2F#1B9E2F

#1B9E2F is a mid, vivid green. Relative luminance 0.249; OKLCH L 61.1% C 0.184 H 144.6°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E2F
RGB	rgb(27, 158, 47)
HSL	hsl(129, 71%, 36%)
HSV	hsv(129, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 70.3%, 38%)
CIE-LAB	lab(56.97, -55.65, 46.47)
CIE-LCH	lch(56.97, 72.50, 140.14°)
OKLab	oklab(61.08% -0.1502 0.1066)
OKLCH	oklch(61.08% 0.184 144.6)
XYZ	xyz(13.1910, 24.8903, 6.7979)
Luminance	0.2489 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E2F #9E1B8A

analogous

#499E1B #1B9E2F #1B9E71

triadic

#1B9E2F #2F1B9E #9E2F1B

tetradic

#1B9E2F #1B499E #9E1B8A #9E711B

square

#1B9E2F #1B499E #9E1B8A #9E711B

split-complementary

#1B9E2F #711B9E #9E1B49

monochromatic

#093510 #126A1F #1B9E2F #24D23F #52E168

Accessibility & contrast

On white

3.51

#1B9E2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#1B9E2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E2F

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E2F	#FFFFFF	#000000	##000000
##1B9E2F	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18F1F

Deuteranopia (green-blind)

#93853A

Tritanopia (blue-blind)

#009A88

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e2f;
/* rgb */ color: rgb(27, 158, 47);
/* oklch */ color: oklch(61.1% 0.184 144.6);

Tailwind

colors: {
  custom: {
    50: '#72bc6e',
    500: '#1b9e2f',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e2f;
$custom-light: #72bc6e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e2f",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 47
  },
  "hsl": {
    "h": 129.16,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61077,
    "c": 0.18415,
    "h": 144.6
  },
  "luminance": 0.24892
}

Semantic roles & 50–950 ramp

primary

#1B9E2F

secondary

#C451B3

accent

#3AD2EE

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9E2F

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

Preview Lab → · Contrast checker → · Palette generator →