#5ECFB9
Closest named color: Medium Aquamarine (#66CDAA). oklch(78.3% 0.108 178.6), rgb(94, 207, 185).
Aa
Black text reads best on this color (11.10:1).
About this color
#5ECFB9 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.108 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.020 away. Black text reads best on it, at 11.10:1.
| Hue family | Teals and cyans |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.10:1 |
| White text | 1.89:1 |
Values
| HEX | #5ECFB9 |
| RGB | rgb(94, 207, 185) |
| HSL | hsl(168, 54%, 59%) |
| OKLCH | oklch(78.3% 0.108 178.6) |
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 #5ECFB9 | 1.89:1 | Fails | Lc -39.9 | Non-text elements, placeholder text |
| Black text on #5ECFB9 | 11.10:1 | AAA | Lc 68.2 | Content text, not long reading |
| #5ECFB9 text on white | 1.89:1 | Fails | Lc 35.7 | Non-text elements, placeholder text |
| #5ECFB9 text on black | 11.10:1 | AAA | Lc -66.8 | 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
#ECF9F5
oklch(97.1% 0.015 175.7)
-
Step 100
100
#D5F1EA
oklch(93.6% 0.031 178.9)
-
Step 200
200
#AFE7D9
oklch(88.6% 0.06 177.8)
-
Step 300
300 (this color)
#5ECFB9
oklch(78.3% 0.108 178.6)
-
Step 400
400
#00BAA2
oklch(70.6% 0.129 179.1)
-
Step 500
500
#00A08A
oklch(63.2% 0.116 178.3)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#5ECFB9 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) | #C8C4B8 | 0.115 |
| Deuteranopia (no green cones) | #B6B7BB | 0.109 |
| Tritanopia (no blue cones) | #12D2C8 | 0.033 |
| Achromatopsia (no color) | #BCBCBC | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5ECFB9
#5ECFB9
oklch(78.3% 0.108 178.6)
- #F19BB7
#F19BB7
oklch(78.3% 0.108 358.8)
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 #5ECFB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.020
- Seafoam Blue #78D1B6 ΔE 0.023
- Medium Turquoise #48D1CC ΔE 0.027
- Pale Teal #82CBB2 ΔE 0.030
- Dark Turquoise #00CED1 ΔE 0.045
- Turquoise #40E0D0 ΔE 0.047
- Tiffany Blue #94D2BD ΔE 0.052
- Emerald #06D6A0 ΔE 0.058
Use #5ECFB9 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.