#128A5B#128A5B

#128A5B is a mid, vivid teal. Relative luminance 0.191; OKLCH L 56.1% C 0.122 H 159.9°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#128A5B
RGB	rgb(18, 138, 91)
HSL	hsl(157, 77%, 31%)
HSV	hsv(157, 87%, 54%)
CMYK	cmyk(87%, 0%, 34.1%, 45.9%)
CIE-LAB	lab(50.76, -42.43, 16.66)
CIE-LCH	lch(50.76, 45.59, 158.56°)
OKLab	oklab(56.09% -0.115 0.0421)
OKLCH	oklch(56.09% 0.122 159.9)
XYZ	xyz(11.2250, 19.0595, 12.9827)
Luminance	0.1906 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128A5B #8A1241

analogous

#128A1F #128A5B #127D8A

triadic

#128A5B #5B128A #8A5B12

tetradic

#128A5B #1F128A #8A1241 #7D8A12

square

#128A5B #1F128A #8A1241 #7D8A12

split-complementary

#128A5B #8A127D #8A1F12

monochromatic

#041E14 #0B5437 #128A5B #19C07F #32E49E

Accessibility & contrast

On white

4.36

#128A5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#128A5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128A5B

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128A5B	#FFFFFF	#000000	##000000
##128A5B	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#887F58

Deuteranopia (green-blind)

#7B755E

Tritanopia (blue-blind)

#00897E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #128a5b;
/* rgb */ color: rgb(18, 138, 91);
/* oklch */ color: oklch(56.1% 0.122 159.9);

Tailwind

colors: {
  custom: {
    50: '#69ad89',
    500: '#128a5b',
    950: '#000000',
  },
}

SCSS

$custom: #128a5b;
$custom-light: #69ad89;
$custom-dark: #000000;

JSON

{
  "hex": "#128a5b",
  "rgb": {
    "r": 18,
    "g": 138,
    "b": 91
  },
  "hsl": {
    "h": 156.5,
    "s": 76.923,
    "l": 30.588
  },
  "oklch": {
    "l": 0.56088,
    "c": 0.12248,
    "h": 159.9
  },
  "luminance": 0.19061
}

Semantic roles & 50–950 ramp

primary

#128A5B

secondary

#BF396D

accent

#347FF3

background

#F6FAF8

surface

#ECF4F0

border

#C7CECB

text

#07100B

muted

#7A7F7C

Preview Lab

Preview with #128A5B

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

Preview Lab → · Contrast checker → · Palette generator →