#2A8565
Closest named color: Sea Green (#2E8B57). oklch(55.5% 0.099 165.7), rgb(42, 133, 101).
Aa
Black text reads best on this color (4.64:1).
About this color
#2A8565 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.099 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.031 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 | #2A8565 |
| RGB | rgb(42, 133, 101) |
| HSL | hsl(159, 52%, 34%) |
| OKLCH | oklch(55.5% 0.099 165.7) |
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 #2A8565 | 4.52:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #2A8565 | 4.64:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #2A8565 text on white | 4.52:1 | AA | Lc 71.1 | Content text, not long reading |
| #2A8565 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
#A6CABA
oklch(80.8% 0.044 166.5)
-
Step 400
400
#75AF96
oklch(70.7% 0.071 165.6)
-
Step 500
500
#4D9B7C
oklch(63.1% 0.091 165.4)
-
Step 600
600 (this color)
#2A8565
oklch(55.5% 0.099 165.7)
-
Step 700
700
#1B7154
oklch(49.1% 0.092 165.6)
-
Step 800
800
#1A5C45
oklch(42.7% 0.076 165.8)
-
Step 900
900
#1D4C3A
oklch(37.8% 0.06 165.4)
-
Step 950
950
#122C22
oklch(26.9% 0.038 166.4)
#2A8565 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) | #827C63 | 0.098 |
| Deuteranopia (no green cones) | #767367 | 0.094 |
| Tritanopia (no blue cones) | #00857C | 0.036 |
| Achromatopsia (no color) | #767676 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A8565
#2A8565
oklch(55.5% 0.099 165.7)
- #9C5A7F
#9C5A7F
oklch(55.5% 0.099 346.1)
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 #2A8565, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.031
- Viridian #1E9167 ΔE 0.036
- Dark Sage #598556 ΔE 0.042
- Teal #008080 ΔE 0.050
- Jungle Green #048243 ΔE 0.051
- Dark Cyan #008B8B ΔE 0.054
- Bluegreen #017A79 ΔE 0.056
- Light Forest Green #4F9153 ΔE 0.059
Use #2A8565 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.