#77D9DF
Closest named color: Sky Blue (#87CEEB). oklch(82.8% 0.093 200.7), rgb(119, 217, 223).
Aa
Black text reads best on this color (12.77:1).
About this color
#77D9DF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.093 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.041 away. Black text reads best on it, at 12.77:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.77:1 |
| White text | 1.64:1 |
Values
| HEX | #77D9DF |
| RGB | rgb(119, 217, 223) |
| HSL | hsl(183, 62%, 67%) |
| OKLCH | oklch(82.8% 0.093 200.7) |
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 #77D9DF | 1.64:1 | Fails | Lc -32.0 | Non-text elements, placeholder text |
| Black text on #77D9DF | 12.77:1 | AAA | Lc 75.4 | Fine for body text |
| #77D9DF text on white | 1.64:1 | Fails | Lc 28.4 | Dividers and decoration only |
| #77D9DF text on black | 12.77:1 | AAA | Lc -74.5 | 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
#ECF8F9
oklch(97% 0.013 202.9)
-
Step 100
100
#D6F0F1
oklch(93.7% 0.027 199.5)
-
Step 200
200
#B2E4E7
oklch(88.5% 0.052 200.8)
-
Step 300
300 (this color)
#77D9DF
oklch(82.8% 0.093 200.7)
-
Step 400
400
#00B6BF
oklch(70.6% 0.12 201.1)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#77D9DF 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) | #CDD1E0 | 0.095 |
| Deuteranopia (no green cones) | #BBC4E0 | 0.088 |
| Tritanopia (no blue cones) | #3DDFDB | 0.039 |
| Achromatopsia (no color) | #CACACA | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77D9DF
#77D9DF
oklch(82.8% 0.093 200.7)
- #FDAFAD
#FDAFAD
oklch(82.8% 0.092 20.9)
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 #77D9DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.041
- Tiffany Blue #94D2BD ΔE 0.048
- Turquoise #40E0D0 ΔE 0.049
- Celeste #A8DADC ΔE 0.049
- Medium Turquoise #48D1CC ΔE 0.050
- Aqua Blue #02D8E9 ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.056
- Light Blue #ADD8E6 ΔE 0.057
Use #77D9DF 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.