#78A09E
Closest named color: Cadet Blue (#5F9EA0). oklch(67.6% 0.044 192.3), rgb(120, 160, 158).
Aa
Black text reads best on this color (7.32:1).
About this color
#78A09E is a medium-light, muted teal or cyan. In OKLCH its lightness is 68%, its chroma 0.044 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.029 away. Black text reads best on it, at 7.32:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.32:1 |
| White text | 2.86:1 |
Values
| HEX | #78A09E |
| RGB | rgb(120, 160, 158) |
| HSL | hsl(177, 17%, 55%) |
| OKLCH | oklch(67.6% 0.044 192.3) |
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 #78A09E | 2.86:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #78A09E | 7.32:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #78A09E text on white | 2.86:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #78A09E text on black | 7.32:1 | AAA | Lc -47.0 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDCDC
oklch(88.4% 0.015 196.9)
-
Step 300
300
#ADC7C5
oklch(81% 0.028 190.9)
-
Step 400
400 (this color)
#78A09E
oklch(67.6% 0.044 192.3)
-
Step 500
500
#609592
oklch(63.2% 0.057 191.3)
-
Step 600
600
#457F7D
oklch(55.7% 0.061 192.6)
-
Step 700
700
#366B69
oklch(49.1% 0.057 192.2)
-
Step 800
800
#2E5756
oklch(42.7% 0.046 193.5)
-
Step 900
900
#294847
oklch(37.7% 0.037 193.1)
-
Step 950
950
#192A29
oklch(27% 0.023 191.2)
#78A09E 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) | #9B9C9E | 0.046 |
| Deuteranopia (no green cones) | #93969E | 0.043 |
| Tritanopia (no blue cones) | #6BA29F | 0.015 |
| Achromatopsia (no color) | #989898 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A09E
#78A09E
oklch(67.6% 0.044 192.3)
- #B08C90
#B08C90
oklch(67.5% 0.044 10.8)
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 #78A09E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.029
- Greyblue #77A1B5 ΔE 0.034
- Bluegrey #85A3B2 ΔE 0.035
- Bluey Grey #89A0B0 ΔE 0.036
- Dull Teal #5F9E8F ΔE 0.038
- Cool Grey #95A3A6 ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.045
- Cool Gray #8D99AE ΔE 0.045
Use #78A09E 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.