#6DDFF9
Closest named color: Robin's Egg (#6DEDFD). oklch(84.7% 0.109 214.8), rgb(109, 223, 249).
Aa
Black text reads best on this color (13.57:1).
About this color
#6DDFF9 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.109 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.037 away. Black text reads best on it, at 13.57:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 13.57:1 |
| White text | 1.54:1 |
Values
| HEX | #6DDFF9 |
| RGB | rgb(109, 223, 249) |
| HSL | hsl(191, 92%, 70%) |
| OKLCH | oklch(84.7% 0.109 214.8) |
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 #6DDFF9 | 1.54:1 | Fails | Lc -28.3 | Dividers and decoration only |
| Black text on #6DDFF9 | 13.57:1 | AAA | Lc 78.8 | Fine for body text |
| #6DDFF9 text on white | 1.54:1 | Fails | Lc 25.0 | Dividers and decoration only |
| #6DDFF9 text on black | 13.57:1 | AAA | Lc -78.2 | 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 300.
-
Step 50
50
#EBF8FC
oklch(97.1% 0.015 218)
-
Step 100
100
#D3F0F7
oklch(93.6% 0.032 213.9)
-
Step 200
200
#ABE4F2
oklch(88.4% 0.061 214.5)
-
Step 300
300 (this color)
#6DDFF9
oklch(84.7% 0.109 214.8)
-
Step 400
400
#00B3D1
oklch(70.6% 0.125 215.4)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#6DDFF9 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) | #CCD9FB | 0.098 |
| Deuteranopia (no green cones) | #B7C9F9 | 0.089 |
| Tritanopia (no blue cones) | #00E9E7 | 0.058 |
| Achromatopsia (no color) | #D0D0D0 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DDFF9
#6DDFF9
oklch(84.7% 0.109 214.8)
- #FFB9A7
#FFB9A7
oklch(84.6% 0.086 34.9)
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 #6DDFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.037
- Sky Blue #87CEEB ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.049
- Aqua Blue #02D8E9 ΔE 0.054
- Robin Egg Blue #8AF1FE ΔE 0.057
- Sky #82CAFC ΔE 0.059
- Robin's Egg Blue #98EFF9 ΔE 0.061
- Lightblue #7BC8F6 ΔE 0.061
Use #6DDFF9 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.