#40DBAF
Closest named color: Emerald (#06D6A0). oklch(80.1% 0.143 169.5), rgb(64, 219, 175).
Aa
Black text reads best on this color (11.96:1).
About this color
#40DBAF is a light, vivid green. In OKLCH its lightness is 80%, its chroma 0.143 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.030 away. Black text reads best on it, at 11.96:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.96:1 |
| White text | 1.75:1 |
Values
| HEX | #40DBAF |
| RGB | rgb(64, 219, 175) |
| HSL | hsl(163, 68%, 55%) |
| OKLCH | oklch(80.1% 0.143 169.5) |
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 #40DBAF | 1.75:1 | Fails | Lc -35.5 | Non-text elements, placeholder text |
| Black text on #40DBAF | 11.96:1 | AAA | Lc 72.2 | Content text, not long reading |
| #40DBAF text on white | 1.75:1 | Fails | Lc 31.6 | Non-text elements, placeholder text |
| #40DBAF text on black | 11.96:1 | AAA | Lc -71.1 | 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
#A4EBD1
oklch(88.6% 0.08 169.6)
-
Step 300
300 (this color)
#40DBAF
oklch(80.1% 0.143 169.5)
-
Step 400
400
#00BC92
oklch(70.7% 0.141 169.4)
-
Step 500
500
#00A17D
oklch(63% 0.125 169.6)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#40DBAF 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) | #D5CCAD | 0.145 |
| Deuteranopia (no green cones) | #C1BDB2 | 0.141 |
| Tritanopia (no blue cones) | #00DCCE | 0.043 |
| Achromatopsia (no color) | #C3C3C3 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40DBAF
#40DBAF
oklch(80.1% 0.143 169.5)
- #FF98CB
#FF98CB
oklch(80.1% 0.137 349.6)
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 #40DBAF, closest first.
No curated palette has a color within ΔE 0.04 of #40DBAF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.030
- Aqua Marine #2EE8BB ΔE 0.035
- Medium Aquamarine #66CDAA ΔE 0.041
- Turquoise #40E0D0 ΔE 0.044
- Seafoam Blue #78D1B6 ΔE 0.048
- Aqua Green #12E193 ΔE 0.049
- Medium Turquoise #48D1CC ΔE 0.058
- Pale Teal #82CBB2 ΔE 0.062
Use #40DBAF 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.