#1BB13B#1BB13B

#1BB13B is a light, vivid green. Relative luminance 0.320; OKLCH L 66.4% C 0.198 H 145.5°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#1BB13B
RGB	rgb(27, 177, 59)
HSL	hsl(133, 74%, 40%)
HSV	hsv(133, 85%, 69%)
CMYK	cmyk(84.7%, 0%, 66.7%, 30.6%)
CIE-LAB	lab(63.34, -60.46, 48.34)
CIE-LCH	lch(63.34, 77.41, 141.36°)
OKLab	oklab(66.4% -0.1628 0.1119)
OKLCH	oklch(66.4% 0.198 145.5)
XYZ	xyz(16.9623, 31.9909, 9.4177)
Luminance	0.3199 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB13B #B11B91

analogous

#46B11B #1BB13B #1BB186

triadic

#1BB13B #3B1BB1 #B13B1B

tetradic

#1BB13B #1B46B1 #B11B91 #B1861B

square

#1BB13B #1B46B1 #B11B91 #B1861B

split-complementary

#1BB13B #861BB1 #B11B46

monochromatic

#0B4718 #137C29 #1BB13B #2BDF51 #60E77D

Accessibility & contrast

On white

2.84

#1BB13B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#1BB13B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB13B

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB13B	#FFFFFF	#000000	##000000
##1BB13B	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A02C

Deuteranopia (green-blind)

#A49546

Tritanopia (blue-blind)

#00AC99

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #1bb13b;
/* rgb */ color: rgb(27, 177, 59);
/* oklch */ color: oklch(66.4% 0.198 145.5);

Tailwind

colors: {
  custom: {
    50: '#76ca76',
    500: '#1bb13b',
    950: '#000000',
  },
}

SCSS

$custom: #1bb13b;
$custom-light: #76ca76;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb13b",
  "rgb": {
    "r": 27,
    "g": 177,
    "b": 59
  },
  "hsl": {
    "h": 132.8,
    "s": 73.529,
    "l": 40
  },
  "oklch": {
    "l": 0.66404,
    "c": 0.19753,
    "h": 145.5
  },
  "luminance": 0.31993
}

Semantic roles & 50–950 ramp

primary

#1BB13B

secondary

#CB5DB4

accent

#38C9F0

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #1BB13B

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

Preview Lab → · Contrast checker → · Palette generator →