#128561
Closest named color: Sea Green (#2E8B57). oklch(54.9% 0.111 165.2), rgb(18, 133, 97).
Aa
White text reads best on this color (4.61:1).
About this color
#128561 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.111 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. White text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #128561 |
| RGB | rgb(18, 133, 97) |
| HSL | hsl(161, 76%, 30%) |
| OKLCH | oklch(54.9% 0.111 165.2) |
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 #128561 | 4.61:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #128561 | 4.55:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #128561 text on white | 4.61:1 | AA | Lc 71.6 | Content text, not long reading |
| #128561 text on black | 4.55:1 | AA | Lc -30.1 | 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
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#C9DFD5
oklch(88.4% 0.027 166.7)
-
Step 300
300
#A3CBB9
oklch(80.8% 0.049 166)
-
Step 400
400
#6FB194
oklch(70.8% 0.08 164.7)
-
Step 500
500
#439D7A
oklch(63.1% 0.102 164.9)
-
Step 600
600 (this color)
#128561
oklch(54.9% 0.111 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#0C5D43
oklch(42.6% 0.085 165.1)
-
Step 900
900
#164D39
oklch(37.8% 0.067 165.2)
-
Step 950
950
#0F2D21
oklch(27% 0.043 164.6)
#128561 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) | #827B5F | 0.109 |
| Deuteranopia (no green cones) | #757163 | 0.106 |
| Tritanopia (no blue cones) | #00857B | 0.040 |
| Achromatopsia (no color) | #757575 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #128561
#128561
oklch(54.9% 0.111 165.2)
- #9E5580
#9E5580
oklch(54.9% 0.11 345)
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 #128561, 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 0.037
- Jungle Green #048243 ΔE 0.041
- Dark Sage #598556 ΔE 0.051
- Teal #008080 ΔE 0.055
- Bluegreen #017A79 ΔE 0.059
- Dark Cyan #008B8B ΔE 0.061
- Light Forest Green #4F9153 ΔE 0.062
Use #128561 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.