#39D8AA
Closest named color: Emerald (#06D6A0). oklch(79.1% 0.145 168.7), rgb(57, 216, 170).
Aa
Black text reads best on this color (11.57:1).
About this color
#39D8AA is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.145 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.020 away. Black text reads best on it, at 11.57:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.57:1 |
| White text | 1.81:1 |
Values
| HEX | #39D8AA |
| RGB | rgb(57, 216, 170) |
| HSL | hsl(163, 67%, 54%) |
| OKLCH | oklch(79.1% 0.145 168.7) |
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 #39D8AA | 1.81:1 | Fails | Lc -37.4 | Non-text elements, placeholder text |
| Black text on #39D8AA | 11.57:1 | AAA | Lc 70.5 | Content text, not long reading |
| #39D8AA text on white | 1.81:1 | Fails | Lc 33.4 | Non-text elements, placeholder text |
| #39D8AA text on black | 11.57:1 | AAA | Lc -69.3 | 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)
#39D8AA
oklch(79.1% 0.145 168.7)
-
Step 400
400
#00BC91
oklch(70.7% 0.142 168.9)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#39D8AA 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) | #D2C9A8 | 0.146 |
| Deuteranopia (no green cones) | #BEBAAD | 0.142 |
| Tritanopia (no blue cones) | #00D9CB | 0.045 |
| Achromatopsia (no color) | #C0C0C0 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39D8AA
#39D8AA
oklch(79.1% 0.145 168.7)
- #FE92CA
#FE92CA
oklch(79% 0.145 348.5)
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 #39D8AA, closest first.
No curated palette has a color within ΔE 0.04 of #39D8AA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.020
- Medium Aquamarine #66CDAA ΔE 0.038
- Aqua Marine #2EE8BB ΔE 0.044
- Aqua Green #12E193 ΔE 0.047
- Seafoam Blue #78D1B6 ΔE 0.051
- Turquoise #40E0D0 ΔE 0.053
- Medium Turquoise #48D1CC ΔE 0.059
- Seaweed #18D17B ΔE 0.063
Use #39D8AA 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.