#77DEFB
Closest named color: Robin's Egg (#6DEDFD). oklch(84.9% 0.104 218.4), rgb(119, 222, 251).
Aa
Black text reads best on this color (13.62:1).
About this color
#77DEFB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.104 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.040 away. Black text reads best on it, at 13.62:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 13.62:1 |
| White text | 1.54:1 |
Values
| HEX | #77DEFB |
| RGB | rgb(119, 222, 251) |
| HSL | hsl(193, 94%, 73%) |
| OKLCH | oklch(84.9% 0.104 218.4) |
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 #77DEFB | 1.54:1 | Fails | Lc -28.1 | Dividers and decoration only |
| Black text on #77DEFB | 13.62:1 | AAA | Lc 79.0 | Fine for body text |
| #77DEFB text on white | 1.54:1 | Fails | Lc 24.8 | Dividers and decoration only |
| #77DEFB text on black | 13.62:1 | AAA | Lc -78.3 | Fine for body text |
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 200.
-
Step 50
50
#E9F9FE
oklch(97.2% 0.018 218.4)
-
Step 100
100
#CEF1FB
oklch(93.6% 0.039 216.9)
-
Step 200
200 (this color)
#77DEFB
oklch(84.9% 0.104 218.4)
-
Step 300
300
#39D5FA
oklch(81% 0.133 218.1)
-
Step 400
400
#00B3D5
oklch(70.8% 0.127 217.9)
-
Step 500
500
#0099B7
oklch(63.1% 0.114 218.3)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#77DEFB 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) | #CBD9FD | 0.089 |
| Deuteranopia (no green cones) | #B8CAFB | 0.081 |
| Tritanopia (no blue cones) | #0AE8E7 | 0.065 |
| Achromatopsia (no color) | #D0D0D0 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77DEFB
#77DEFB
oklch(84.9% 0.104 218.4)
- #FFBBA5
#FFBBA5
oklch(84.9% 0.085 38.7)
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 #77DEFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.040
- Sky Blue #87CEEB ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.043
- Sky #82CAFC ΔE 0.055
- Light Blue #ADD8E6 ΔE 0.055
- Baby Blue #A2CFFE ΔE 0.056
- Robin Egg Blue #8AF1FE ΔE 0.056
- Celeste #A8DADC ΔE 0.058
Use #77DEFB 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.