#2B9971
Closest named color: Ocean Green (#3D9973). oklch(61.1% 0.116 164.2), rgb(43, 153, 113).
Aa
Black text reads best on this color (5.89:1).
About this color
#2B9971 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.116 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.012 away. Black text reads best on it, at 5.89:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.89:1 |
| White text | 3.56:1 |
Values
| HEX | #2B9971 |
| RGB | rgb(43, 153, 113) |
| HSL | hsl(158, 56%, 38%) |
| OKLCH | oklch(61.1% 0.116 164.2) |
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 #2B9971 | 3.56:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #2B9971 | 5.89:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #2B9971 text on white | 3.56:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #2B9971 text on black | 5.89:1 | AA | Lc -38.9 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C7E0D4
oklch(88.5% 0.031 165.2)
-
Step 300
300
#9FCDB7
oklch(80.9% 0.057 164.2)
-
Step 400
400
#67B392
oklch(70.8% 0.091 164.3)
-
Step 500
500 (this color)
#2B9971
oklch(61.1% 0.116 164.2)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#0A4E37
oklch(37.8% 0.075 164.3)
-
Step 950
950
#0A2E20
oklch(27.1% 0.049 163.7)
#2B9971 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) | #968E6F | 0.113 |
| Deuteranopia (no green cones) | #888374 | 0.111 |
| Tritanopia (no blue cones) | #00998E | 0.043 |
| Achromatopsia (no color) | #888888 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B9971
#2B9971
oklch(61.1% 0.116 164.2)
- #B36694
#B36694
oklch(61.1% 0.114 344.3)
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 #2B9971, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.012
- Viridian #1E9167 ΔE 0.027
- Light Forest Green #4F9153 ΔE 0.041
- Blue Green #0F9B8E ΔE 0.041
- Jade #1FA774 ΔE 0.041
- Persian Green #2A9D8F ΔE 0.043
- Sea Green #2E8B57 ΔE 0.047
- Sea #3C9992 ΔE 0.052
Use #2B9971 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.