#5AC09E
Closest named color: Medium Aquamarine (#66CDAA). oklch(73.7% 0.109 168.9), rgb(90, 192, 158).
Aa
Black text reads best on this color (9.46:1).
About this color
#5AC09E is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.109 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.039 away. Black text reads best on it, at 9.46:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.46:1 |
| White text | 2.21:1 |
Values
| HEX | #5AC09E |
| RGB | rgb(90, 192, 158) |
| HSL | hsl(160, 45%, 55%) |
| OKLCH | oklch(73.7% 0.109 168.9) |
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 #5AC09E | 2.21:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #5AC09E | 9.46:1 | AAA | Lc 60.5 | Content text, not long reading |
| #5AC09E text on white | 2.21:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #5AC09E text on black | 9.46:1 | AAA | Lc -58.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DEEEE7
oklch(93.5% 0.019 167.9)
-
Step 200
200
#C2E2D5
oklch(88.6% 0.038 169)
-
Step 300
300
#95CFB9
oklch(80.8% 0.068 169.1)
-
Step 400
400 (this color)
#5AC09E
oklch(73.7% 0.109 168.9)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#5AC09E 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) | #BCB59C | 0.111 |
| Deuteranopia (no green cones) | #ACA9A0 | 0.106 |
| Tritanopia (no blue cones) | #2EC1B6 | 0.038 |
| Achromatopsia (no color) | #AEAEAE | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AC09E
#5AC09E
oklch(73.7% 0.109 168.9)
- #DD8DB5
#DD8DB5
oklch(73.7% 0.109 348.7)
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 #5AC09E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.039
- Greeny Blue #42B395 ΔE 0.043
- Topaz #13BBAF ΔE 0.045
- Greenblue #23C48B ΔE 0.045
- Green Blue #01C08D ΔE 0.046
- Dark Sea Green #8FBC8F ΔE 0.050
- Soft Green #6FC276 ΔE 0.055
- Pale Teal #82CBB2 ΔE 0.056
Use #5AC09E 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.