#2B8564
Closest named color: Sea Green (#2E8B57). oklch(55.5% 0.099 164.8), rgb(43, 133, 100).
Aa
Black text reads best on this color (4.64:1).
About this color
#2B8564 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.099 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.030 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #2B8564 |
| RGB | rgb(43, 133, 100) |
| HSL | hsl(158, 51%, 35%) |
| OKLCH | oklch(55.5% 0.099 164.8) |
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 #2B8564 | 4.52:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #2B8564 | 4.64:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #2B8564 text on white | 4.52:1 | AA | Lc 71.1 | Content text, not long reading |
| #2B8564 text on black | 4.64:1 | AA | Lc -30.6 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A7CAB9
oklch(80.9% 0.044 164.3)
-
Step 400
400
#75AF95
oklch(70.6% 0.072 164.7)
-
Step 500
500
#4E9B7B
oklch(63.1% 0.092 164.5)
-
Step 600
600 (this color)
#2B8564
oklch(55.5% 0.099 164.8)
-
Step 700
700
#1C7153
oklch(49.1% 0.093 164.7)
-
Step 800
800
#1B5C44
oklch(42.7% 0.077 164.7)
-
Step 900
900
#1E4C39
oklch(37.8% 0.061 163.8)
-
Step 950
950
#132C22
oklch(26.9% 0.037 165.7)
#2B8564 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) | #827C62 | 0.097 |
| Deuteranopia (no green cones) | #767366 | 0.094 |
| Tritanopia (no blue cones) | #00857C | 0.037 |
| Achromatopsia (no color) | #767676 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B8564
#2B8564
oklch(55.5% 0.099 164.8)
- #9C5A80
#9C5A80
oklch(55.5% 0.099 345.3)
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 #2B8564, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.030
- Viridian #1E9167 ΔE 0.036
- Dark Sage #598556 ΔE 0.042
- Jungle Green #048243 ΔE 0.050
- Teal #008080 ΔE 0.051
- Dark Cyan #008B8B ΔE 0.056
- Bluegreen #017A79 ΔE 0.057
- Light Forest Green #4F9153 ΔE 0.058
Use #2B8564 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.