#2ACEA1
Closest named color: Emerald (#06D6A0). oklch(76.1% 0.144 168.8), rgb(42, 206, 161).
Aa
Black text reads best on this color (10.44:1).
About this color
#2ACEA1 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.144 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.024 away. Black text reads best on it, at 10.44:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.44:1 |
| White text | 2.01:1 |
Values
| HEX | #2ACEA1 |
| RGB | rgb(42, 206, 161) |
| HSL | hsl(164, 66%, 49%) |
| OKLCH | oklch(76.1% 0.144 168.8) |
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 #2ACEA1 | 2.01:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #2ACEA1 | 10.44:1 | AAA | Lc 65.4 | Content text, not long reading |
| #2ACEA1 text on white | 2.01:1 | Fails | Lc 38.5 | Non-text elements, placeholder text |
| #2ACEA1 text on black | 10.44:1 | AAA | Lc -63.9 | 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
#EAFAF3
oklch(97.1% 0.019 167.9)
-
Step 100
100
#D0F3E5
oklch(93.5% 0.041 169.3)
-
Step 200
200
#A4EBD0
oklch(88.6% 0.08 168.8)
-
Step 300
300 (this color)
#2ACEA1
oklch(76.1% 0.144 168.8)
-
Step 400
400
#00BC91
oklch(70.7% 0.142 168.9)
-
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)
#2ACEA1 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) | #C8BF9F | 0.146 |
| Deuteranopia (no green cones) | #B4B1A4 | 0.140 |
| Tritanopia (no blue cones) | #00CFC1 | 0.044 |
| Achromatopsia (no color) | #B7B7B7 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2ACEA1
#2ACEA1
oklch(76.1% 0.144 168.8)
- #F489C0
#F489C0
oklch(76.1% 0.144 348.9)
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 #2ACEA1, closest first.
No curated palette has a color within ΔE 0.04 of #2ACEA1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.024
- Greenblue #23C48B ΔE 0.036
- Medium Aquamarine #66CDAA ΔE 0.038
- Green Blue #01C08D ΔE 0.045
- Seaweed #18D17B ΔE 0.055
- Soft Green #6FC276 ΔE 0.059
- Dark Mint #48C072 ΔE 0.060
- Seafoam Blue #78D1B6 ΔE 0.062
Use #2ACEA1 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.