#128273
Closest named color: Teal (#008080). oklch(54.6% 0.095 180.6), rgb(18, 130, 115).
Aa
White text reads best on this color (4.70:1).
About this color
#128273 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.095 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.023 away. White text reads best on it, at 4.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #128273 |
| RGB | rgb(18, 130, 115) |
| HSL | hsl(172, 76%, 29%) |
| OKLCH | oklch(54.6% 0.095 180.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #128273 | 4.70:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #128273 | 4.46:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #128273 text on white | 4.70:1 | AA | Lc 72.2 | Content text, not long reading |
| #128273 text on black | 4.46:1 | AA large text | Lc -29.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A4CAC2
oklch(80.9% 0.042 181)
-
Step 400
400
#6FAFA3
oklch(70.7% 0.068 181.1)
-
Step 500
500
#439B8C
oklch(63.2% 0.088 180.5)
-
Step 600
600 (this color)
#128273
oklch(54.6% 0.095 180.6)
-
Step 700
700
#037163
oklch(49.2% 0.088 180.2)
-
Step 800
800
#0D5C51
oklch(42.8% 0.073 180.5)
-
Step 900
900
#174B43
oklch(37.6% 0.056 181.1)
-
Step 950
950
#0F2C27
oklch(26.9% 0.036 180.5)
#128273 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7C7A72 | 0.100 |
| Deuteranopia (no green cones) | #6E6F74 | 0.096 |
| Tritanopia (no blue cones) | #00847D | 0.015 |
| Achromatopsia (no color) | #747474 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #128273
#128273
oklch(54.6% 0.095 180.6)
- #9D586D
#9D586D
oklch(54.6% 0.094 1.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #128273, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.023
- Bluegreen #017A79 ΔE 0.030
- Dark Cyan #008B8B ΔE 0.039
- Deep Aqua #08787F ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.048
- Deep Turquoise #017374 ΔE 0.049
- Viridian #1E9167 ΔE 0.056
- Sea Green #2E8B57 ΔE 0.058
Use #128273 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.