#77D8CA
Closest named color: Seafoam Blue (#78D1B6). oklch(81.9% 0.095 183.6), rgb(119, 216, 202).
Aa
Black text reads best on this color (12.45:1).
About this color
#77D8CA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.095 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.029 away. Black text reads best on it, at 12.45:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.45:1 |
| White text | 1.68:1 |
Values
| HEX | #77D8CA |
| RGB | rgb(119, 216, 202) |
| HSL | hsl(171, 55%, 66%) |
| OKLCH | oklch(81.9% 0.095 183.6) |
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 #77D8CA | 1.68:1 | Fails | Lc -33.5 | Non-text elements, placeholder text |
| Black text on #77D8CA | 12.45:1 | AAA | Lc 74.1 | Content text, not long reading |
| #77D8CA text on white | 1.68:1 | Fails | Lc 29.8 | Dividers and decoration only |
| #77D8CA text on black | 12.45:1 | AAA | Lc -73.1 | Content text, not long reading |
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 300.
-
Step 50
50
#EDF8F6
oklch(97% 0.012 184.1)
-
Step 100
100
#D7F0EC
oklch(93.6% 0.027 185.2)
-
Step 200
200
#B3E5DD
oklch(88.5% 0.053 184.3)
-
Step 300
300 (this color)
#77D8CA
oklch(81.9% 0.095 183.6)
-
Step 400
400
#00B9A9
oklch(70.6% 0.125 184)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#77D8CA 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) | #D0CECA | 0.101 |
| Deuteranopia (no green cones) | #C0C2CB | 0.096 |
| Tritanopia (no blue cones) | #4DDBD4 | 0.029 |
| Achromatopsia (no color) | #C7C7C7 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77D8CA
#77D8CA
oklch(81.9% 0.095 183.6)
- #F8AABD
#F8AABD
oklch(81.8% 0.094 3.4)
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 #77D8CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.029
- Tiffany Blue #94D2BD ΔE 0.030
- Turquoise #40E0D0 ΔE 0.036
- Pale Teal #82CBB2 ΔE 0.040
- Medium Turquoise #48D1CC ΔE 0.041
- Light Teal #90E4C1 ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.052
- Celeste #A8DADC ΔE 0.059
Use #77D8CA 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.