#55DDA0
Closest named color: Aqua Green (#12E193). oklch(80.7% 0.148 160.7), rgb(85, 221, 160).
Aa
Black text reads best on this color (12.23:1).
About this color
#55DDA0 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.148 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.035 away. Black text reads best on it, at 12.23:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 12.23:1 |
| White text | 1.71:1 |
Values
| HEX | #55DDA0 |
| RGB | rgb(85, 221, 160) |
| HSL | hsl(153, 67%, 60%) |
| OKLCH | oklch(80.7% 0.148 160.7) |
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 #55DDA0 | 1.71:1 | Fails | Lc -34.4 | Non-text elements, placeholder text |
| Black text on #55DDA0 | 12.23:1 | AAA | Lc 73.3 | Content text, not long reading |
| #55DDA0 text on white | 1.71:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #55DDA0 text on black | 12.23:1 | AAA | Lc -72.2 | 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
#EBFAF1
oklch(97.2% 0.02 159.8)
-
Step 100
100
#D2F3E1
oklch(93.5% 0.042 161.7)
-
Step 200
200
#A9EBC7
oklch(88.6% 0.083 160.2)
-
Step 300
300 (this color)
#55DDA0
oklch(80.7% 0.148 160.7)
-
Step 400
400
#00BE7F
oklch(70.8% 0.158 160.7)
-
Step 500
500
#00A36C
oklch(63.2% 0.142 160.5)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005E3D
oklch(42.6% 0.095 160.9)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#55DDA0 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) | #DACD9C | 0.141 |
| Deuteranopia (no green cones) | #C8C0A4 | 0.137 |
| Tritanopia (no blue cones) | #00DCCD | 0.064 |
| Achromatopsia (no color) | #C6C6C6 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55DDA0
#55DDA0
oklch(80.7% 0.148 160.7)
- #FF98DD
#FF98DD
oklch(80.7% 0.148 340.5)
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 #55DDA0, closest first.
No curated palette has a color within ΔE 0.04 of #55DDA0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.035
- Emerald #06D6A0 ΔE 0.036
- Aqua Marine #2EE8BB ΔE 0.038
- Medium Aquamarine #66CDAA ΔE 0.052
- Weird Green #3AE57F ΔE 0.056
- Seafoam Blue #78D1B6 ΔE 0.059
- Seaweed #18D17B ΔE 0.063
- Turquoise #40E0D0 ΔE 0.063
Use #55DDA0 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.