#128840
Closest named color: Jungle Green (#048243). oklch(55% 0.145 150.1), rgb(18, 136, 64).
Aa
Black text reads best on this color (4.62:1).
About this color
#128840 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.145 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.021 away. Black text reads best on it, at 4.62:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.62:1 |
| White text | 4.54:1 |
Values
| HEX | #128840 |
| RGB | rgb(18, 136, 64) |
| HSL | hsl(143, 77%, 30%) |
| OKLCH | oklch(55% 0.145 150.1) |
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 #128840 | 4.54:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #128840 | 4.62:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #128840 text on white | 4.54:1 | AA | Lc 71.0 | Content text, not long reading |
| #128840 text on black | 4.62:1 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C9E0CD
oklch(88.4% 0.036 150.5)
-
Step 300
300
#A3CDAB
oklch(80.9% 0.065 150.4)
-
Step 400
400
#6FB37E
oklch(70.7% 0.104 150.1)
-
Step 500
500
#42A05C
oklch(63.2% 0.135 149.9)
-
Step 600
600 (this color)
#128840
oklch(55% 0.145 150.1)
-
Step 700
700
#007533
oklch(49.1% 0.136 149.9)
-
Step 800
800
#0B5F2B
oklch(42.6% 0.112 150)
-
Step 900
900
#164E27
oklch(37.7% 0.087 149.9)
-
Step 950
950
#0F2E17
oklch(27.1% 0.056 149.6)
#128840 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) | #897B3A | 0.120 |
| Deuteranopia (no green cones) | #7C7245 | 0.118 |
| Tritanopia (no blue cones) | #008577 | 0.081 |
| Achromatopsia (no color) | #767676 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #128840
#128840
oklch(55% 0.145 150.1)
- #9F4D99
#9F4D99
oklch(55% 0.146 330.1)
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 #128840, closest first.
No curated palette has a color within ΔE 0.04 of #128840.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.021
- Forest Green #228B22 ΔE 0.031
- Sea Green #2E8B57 ΔE 0.034
- Kelley Green #009337 ΔE 0.038
- Tree Green #2A7E19 ΔE 0.038
- Dark Grass Green #388004 ΔE 0.041
- Emerald Green #028F1E ΔE 0.042
- Green #008000 ΔE 0.048
Use #128840 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.