#1BB028#1BB028

#1BB028 is a light, highly saturated green. Relative luminance 0.314; OKLCH L 66.0% C 0.208 H 143.5°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#1BB028
RGB	rgb(27, 176, 40)
HSL	hsl(125, 73%, 40%)
HSV	hsv(125, 85%, 69%)
CMYK	cmyk(84.7%, 0%, 77.3%, 31%)
CIE-LAB	lab(62.87, -61.84, 55.07)
CIE-LCH	lch(62.87, 82.80, 138.32°)
OKLab	oklab(65.98% -0.1673 0.1236)
OKLCH	oklch(65.98% 0.208 143.5)
XYZ	xyz(16.3592, 31.4348, 7.2124)
Luminance	0.3144 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB028 #B01BA3

analogous

#58B01B #1BB028 #1BB073

triadic

#1BB028 #281BB0 #B0281B

tetradic

#1BB028 #1B58B0 #B01BA3 #B0731B

square

#1BB028 #1B58B0 #B01BA3 #B0731B

split-complementary

#1BB028 #731BB0 #B01B58

monochromatic

#0B4610 #137B1C #1BB028 #2ADE3A #5FE66B

Accessibility & contrast

On white

2.88

#1BB028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#1BB028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB028

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB028	#FFFFFF	#000000	##000000
##1BB028	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F05

Deuteranopia (green-blind)

#A49438

Tritanopia (blue-blind)

#00AB96

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #1bb028;
/* rgb */ color: rgb(27, 176, 40);
/* oklch */ color: oklch(66.0% 0.208 143.5);

Tailwind

colors: {
  custom: {
    50: '#77c96c',
    500: '#1bb028',
    950: '#000000',
  },
}

SCSS

$custom: #1bb028;
$custom-light: #77c96c;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb028",
  "rgb": {
    "r": 27,
    "g": 176,
    "b": 40
  },
  "hsl": {
    "h": 125.235,
    "s": 73.399,
    "l": 39.804
  },
  "oklch": {
    "l": 0.65976,
    "c": 0.20806,
    "h": 143.5
  },
  "luminance": 0.31437
}

Semantic roles & 50–950 ramp

primary

#1BB028

secondary

#CB5CC1

accent

#38E0F0

background

#F8FCF6

surface

#EFF8EC

border

#CAD1C7

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #1BB028

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

Preview Lab → · Contrast checker → · Palette generator →