#128F5B#128F5B

#128F5B is a mid, vivid teal. Relative luminance 0.205; OKLCH L 57.5% C 0.129 H 158.4°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#128F5B
RGB	rgb(18, 143, 91)
HSL	hsl(155, 78%, 32%)
HSV	hsv(155, 87%, 56%)
CMYK	cmyk(87.4%, 0%, 36.4%, 43.9%)
CIE-LAB	lab(52.43, -44.40, 18.93)
CIE-LCH	lch(52.43, 48.27, 156.91°)
OKLab	oklab(57.47% -0.12 0.0476)
OKLCH	oklch(57.47% 0.129 158.4)
XYZ	xyz(11.9590, 20.5273, 13.2274)
Luminance	0.2053 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128F5B #8F1246

analogous

#128F1D #128F5B #12858F

triadic

#128F5B #5B128F #8F5B12

tetradic

#128F5B #1D128F #8F1246 #858F12

square

#128F5B #1D128F #8F1246 #858F12

split-complementary

#128F5B #8F1285 #8F1D12

monochromatic

#042216 #0B5938 #128F5B #19C57E #36E69C

Accessibility & contrast

On white

4.11

#128F5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#128F5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128F5B

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128F5B	#FFFFFF	#000000	##000000
##128F5B	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8358

Deuteranopia (green-blind)

#80795E

Tritanopia (blue-blind)

#008E82

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #128f5b;
/* rgb */ color: rgb(18, 143, 91);
/* oklch */ color: oklch(57.5% 0.129 158.4);

Tailwind

colors: {
  custom: {
    50: '#6ab189',
    500: '#128f5b',
    950: '#000000',
  },
}

SCSS

$custom: #128f5b;
$custom-light: #6ab189;
$custom-dark: #000000;

JSON

{
  "hex": "#128f5b",
  "rgb": {
    "r": 18,
    "g": 143,
    "b": 91
  },
  "hsl": {
    "h": 155.04,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.57468,
    "c": 0.1291,
    "h": 158.4
  },
  "luminance": 0.20529
}

Semantic roles & 50–950 ramp

primary

#128F5B

secondary

#C33A73

accent

#3484F4

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#08110B

muted

#7B807C

Preview Lab

Preview with #128F5B

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

Preview Lab → · Contrast checker → · Palette generator →