#127878
Closest named color: Bluegreen (#017A79). oklch(52% 0.085 194.9), rgb(18, 120, 120).
Aa
White text reads best on this color (5.27:1).
About this color
#127878 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.085 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.006 away. White text reads best on it, at 5.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #127878 |
| RGB | rgb(18, 120, 120) |
| HSL | hsl(180, 74%, 27%) |
| OKLCH | oklch(52% 0.085 194.9) |
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 #127878 | 5.27:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #127878 | 3.98:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #127878 text on white | 5.27:1 | AA | Lc 75.8 | Fine for body text |
| #127878 text on black | 3.98:1 | AA large text | Lc -26.0 | 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 700.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1ECEC
oklch(93.5% 0.012 197)
-
Step 200
200
#C9DEDE
oklch(88.5% 0.022 196.8)
-
Step 300
300
#A3C9C9
oklch(80.8% 0.04 196.4)
-
Step 400
400
#6EAEAD
oklch(70.8% 0.066 194.5)
-
Step 500
500
#419999
oklch(63% 0.084 195.2)
-
Step 600
600
#138484
oklch(55.7% 0.091 194.9)
-
Step 700
700 (this color)
#127878
oklch(52% 0.085 194.9)
-
Step 800
800
#095B5B
oklch(42.8% 0.07 194.8)
-
Step 900
900
#154B4A
oklch(37.8% 0.055 193.3)
-
Step 950
950
#0F2C2C
oklch(27.1% 0.035 195.3)
#127878 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) | #6F7278 | 0.088 |
| Deuteranopia (no green cones) | #626779 | 0.084 |
| Tritanopia (no blue cones) | #007C78 | 0.013 |
| Achromatopsia (no color) | #6C6C6C | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #127878
#127878
oklch(52% 0.085 194.9)
- #935459
#935459
oklch(52% 0.084 15.3)
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 #127878, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.006
- Deep Aqua #08787F ΔE 0.011
- Deep Turquoise #017374 ΔE 0.017
- Dark Aquamarine #017371 ΔE 0.018
- Teal #008080 ΔE 0.024
- Ocean #017B92 ΔE 0.040
- Dark Aqua #05696B ΔE 0.048
- Sea Blue #047495 ΔE 0.052
Use #127878 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.