#1B9E2D#1B9E2D

#1B9E2D is a mid, vivid green. Relative luminance 0.249; OKLCH L 61.1% C 0.185 H 144.4°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E2D
RGB	rgb(27, 158, 45)
HSL	hsl(128, 71%, 36%)
HSV	hsv(128, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 71.5%, 38%)
CIE-LAB	lab(56.95, -55.84, 47.26)
CIE-LCH	lch(56.95, 73.15, 139.76°)
OKLab	oklab(61.06% -0.1508 0.108)
OKLCH	oklch(61.06% 0.185 144.4)
XYZ	xyz(13.1516, 24.8746, 6.5903)
Luminance	0.2488 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E2D #9E1B8C

analogous

#4B9E1B #1B9E2D #1B9E6F

triadic

#1B9E2D #2D1B9E #9E2D1B

tetradic

#1B9E2D #1B4B9E #9E1B8C #9E6F1B

square

#1B9E2D #1B4B9E #9E1B8C #9E6F1B

split-complementary

#1B9E2D #6F1B9E #9E1B4B

monochromatic

#09350F #126A1E #1B9E2D #24D23C #52E166

Accessibility & contrast

On white

3.51

#1B9E2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#1B9E2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E2D

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E2D	#FFFFFF	#000000	##000000
##1B9E2D	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)

#A18F1B

Deuteranopia (green-blind)

#938538

Tritanopia (blue-blind)

#009A88

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e2d;
/* rgb */ color: rgb(27, 158, 45);
/* oklch */ color: oklch(61.1% 0.185 144.4);

Tailwind

colors: {
  custom: {
    50: '#72bc6c',
    500: '#1b9e2d',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e2d;
$custom-light: #72bc6c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e2d",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 45
  },
  "hsl": {
    "h": 128.244,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61059,
    "c": 0.18547,
    "h": 144.4
  },
  "luminance": 0.24876
}

Semantic roles & 50–950 ramp

primary

#1B9E2D

secondary

#C451B4

accent

#3AD5EE

background

#F7FBF6

surface

#EEF6EC

border

#C9D0C7

text

#091207

muted

#7B817A

Preview Lab

Preview with #1B9E2D

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

Preview Lab → · Contrast checker → · Palette generator →