#128E5B#128E5B

#128E5B is a mid, vivid teal. Relative luminance 0.202; OKLCH L 57.2% C 0.128 H 158.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#128E5B
RGB	rgb(18, 142, 91)
HSL	hsl(155, 78%, 31%)
HSV	hsv(155, 87%, 56%)
CMYK	cmyk(87.3%, 0%, 35.9%, 44.3%)
CIE-LAB	lab(52.09, -44.01, 18.48)
CIE-LCH	lch(52.09, 47.73, 157.23°)
OKLab	oklab(57.19% -0.119 0.0465)
OKLCH	oklch(57.19% 0.128 158.7)
XYZ	xyz(11.8095, 20.2284, 13.1776)
Luminance	0.2023 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128E5B #8E1245

analogous

#128E1D #128E5B #12838E

triadic

#128E5B #5B128E #8E5B12

tetradic

#128E5B #1D128E #8E1245 #838E12

square

#128E5B #1D128E #8E1245 #838E12

split-complementary

#128E5B #8E1283 #8E1D12

monochromatic

#042115 #0B5838 #128E5B #19C47E #35E59D

Accessibility & contrast

On white

4.16

#128E5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#128E5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128E5B

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128E5B	#FFFFFF	#000000	##000000
##128E5B	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8258

Deuteranopia (green-blind)

#7F785E

Tritanopia (blue-blind)

#008D81

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #128e5b;
/* rgb */ color: rgb(18, 142, 91);
/* oklch */ color: oklch(57.2% 0.128 158.7);

Tailwind

colors: {
  custom: {
    50: '#6ab089',
    500: '#128e5b',
    950: '#000000',
  },
}

SCSS

$custom: #128e5b;
$custom-light: #6ab089;
$custom-dark: #000000;

JSON

{
  "hex": "#128e5b",
  "rgb": {
    "r": 18,
    "g": 142,
    "b": 91
  },
  "hsl": {
    "h": 155.323,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.57192,
    "c": 0.12778,
    "h": 158.7
  },
  "luminance": 0.2023
}

Semantic roles & 50–950 ramp

primary

#128E5B

secondary

#C23A72

accent

#3483F4

background

#F6FAF8

surface

#ECF5F0

border

#C7CFCB

text

#08110B

muted

#7A807C

Preview Lab

Preview with #128E5B

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

Preview Lab → · Contrast checker → · Palette generator →