#5ACFA5
Closest named color: Medium Aquamarine (#66CDAA). oklch(77.6% 0.123 166.7), rgb(90, 207, 165).
Aa
Black text reads best on this color (10.90:1).
About this color
#5ACFA5 is a medium-light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.123 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.014 away. Black text reads best on it, at 10.90:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.90:1 |
| White text | 1.92:1 |
Values
| HEX | #5ACFA5 |
| RGB | rgb(90, 207, 165) |
| HSL | hsl(158, 55%, 58%) |
| OKLCH | oklch(77.6% 0.123 166.7) |
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 #5ACFA5 | 1.92:1 | Fails | Lc -40.9 | Non-text elements, placeholder text |
| Black text on #5ACFA5 | 10.90:1 | AAA | Lc 67.3 | Content text, not long reading |
| #5ACFA5 text on white | 1.92:1 | Fails | Lc 36.6 | Non-text elements, placeholder text |
| #5ACFA5 text on black | 10.90:1 | AAA | Lc -65.9 | 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
#ECF9F3
oklch(97.1% 0.016 166.7)
-
Step 100
100
#D4F2E5
oklch(93.6% 0.036 167.6)
-
Step 200
200
#AEE8CF
oklch(88.4% 0.068 166.5)
-
Step 300
300 (this color)
#5ACFA5
oklch(77.6% 0.123 166.7)
-
Step 400
400
#00BD8D
oklch(70.8% 0.146 166.7)
-
Step 500
500
#00A278
oklch(63.2% 0.13 166.5)
-
Step 600
600
#008865
oklch(55.6% 0.114 167)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#5ACFA5 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) | #CBC2A3 | 0.124 |
| Deuteranopia (no green cones) | #BAB6A8 | 0.119 |
| Tritanopia (no blue cones) | #1ED0C3 | 0.045 |
| Achromatopsia (no color) | #BBBBBB | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5ACFA5
#5ACFA5
oklch(77.6% 0.123 166.7)
- #EF95C6
#EF95C6
oklch(77.6% 0.123 346.5)
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 #5ACFA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.014
- Emerald #06D6A0 ΔE 0.036
- Seafoam Blue #78D1B6 ΔE 0.037
- Pale Teal #82CBB2 ΔE 0.043
- Medium Turquoise #48D1CC ΔE 0.053
- Greenblue #23C48B ΔE 0.055
- Soft Green #6FC276 ΔE 0.059
- Turquoise #40E0D0 ΔE 0.062
Use #5ACFA5 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.