#78B9BE
Closest named color: Cool Steel (#97A7B3). oklch(74.4% 0.067 202), rgb(120, 185, 190).
Aa
Black text reads best on this color (9.48:1).
About this color
#78B9BE is a medium-light, muted teal or cyan. In OKLCH its lightness is 74%, its chroma 0.067 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.055 away. Black text reads best on it, at 9.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.48:1 |
| White text | 2.21:1 |
Values
| HEX | #78B9BE |
| RGB | rgb(120, 185, 190) |
| HSL | hsl(184, 35%, 61%) |
| OKLCH | oklch(74.4% 0.067 202) |
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 #78B9BE | 2.21:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #78B9BE | 9.48:1 | AAA | Lc 60.4 | Content text, not long reading |
| #78B9BE text on white | 2.21:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #78B9BE text on black | 9.48:1 | AAA | Lc -58.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C8DEE0
oklch(88.5% 0.024 203.4)
-
Step 300
300
#A2C9CC
oklch(80.9% 0.042 202.2)
-
Step 400
400 (this color)
#78B9BE
oklch(74.4% 0.067 202)
-
Step 500
500
#3F999F
oklch(63.2% 0.085 201.3)
-
Step 600
600
#0C838A
oklch(55.6% 0.092 201.6)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#055A60
oklch(42.7% 0.071 202.9)
-
Step 900
900
#144A4E
oklch(37.6% 0.055 202.2)
-
Step 950
950
#0E2C2E
oklch(27.2% 0.035 201.3)
#78B9BE 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) | #B0B4BE | 0.067 |
| Deuteranopia (no green cones) | #A4AABE | 0.063 |
| Tritanopia (no blue cones) | #5CBEBA | 0.029 |
| Achromatopsia (no color) | #AEAEAE | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78B9BE
#78B9BE
oklch(74.4% 0.067 202)
- #D39C99
#D39C99
oklch(74.4% 0.066 22.3)
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 #78B9BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.055
- Light Grey Blue #9DBCD4 ΔE 0.056
- Pewter #96A8A1 ΔE 0.057
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.059
- Muted Teal #90B494 ΔE 0.059
- Pale Teal #82CBB2 ΔE 0.061
- French Gray #ADB5BD ΔE 0.063
Use #78B9BE 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.