#3D978A
Closest named color: Sea (#3C9992). oklch(61.9% 0.088 182.3), rgb(61, 151, 138).
Aa
Black text reads best on this color (5.99:1).
About this color
#3D978A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.088 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.012 away. Black text reads best on it, at 5.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #3D978A |
| RGB | rgb(61, 151, 138) |
| HSL | hsl(171, 42%, 42%) |
| OKLCH | oklch(61.9% 0.088 182.3) |
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 #3D978A | 3.50:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #3D978A | 5.99:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #3D978A text on white | 3.50:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #3D978A text on black | 5.99:1 | AA | Lc -39.3 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A3CAC3
oklch(80.9% 0.043 183.1)
-
Step 400
400
#6EAFA4
oklch(70.7% 0.069 182.4)
-
Step 500
500 (this color)
#3D978A
oklch(61.9% 0.088 182.3)
-
Step 600
600
#138578
oklch(55.6% 0.095 182.7)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#095C52
oklch(42.7% 0.074 181.9)
-
Step 900
900
#154B44
oklch(37.6% 0.057 183)
-
Step 950
950
#0F2C28
oklch(27% 0.036 183.4)
#3D978A 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) | #908F8A | 0.093 |
| Deuteranopia (no green cones) | #83858B | 0.088 |
| Tritanopia (no blue cones) | #009A93 | 0.023 |
| Achromatopsia (no color) | #898989 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D978A
#3D978A
oklch(61.9% 0.088 182.3)
- #B26F81
#B26F81
oklch(61.9% 0.088 2.5)
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 #3D978A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.012
- Persian Green #2A9D8F ΔE 0.018
- Blue Green #0F9B8E ΔE 0.020
- Dusty Teal #4C9085 ΔE 0.021
- Teal Green #0A9396 ΔE 0.032
- Grey Teal #5E9B8A ΔE 0.033
- Ocean Green #3D9973 ΔE 0.037
- Dull Teal #5F9E8F ΔE 0.039
Use #3D978A 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.