#128A48
Closest named color: Jungle Green (#048243). oklch(55.7% 0.141 152.2), rgb(18, 138, 72).
Aa
Black text reads best on this color (4.75:1).
About this color
#128A48 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.141 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.025 away. Black text reads best on it, at 4.75:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #128A48 |
| RGB | rgb(18, 138, 72) |
| HSL | hsl(147, 77%, 31%) |
| OKLCH | oklch(55.7% 0.141 152.2) |
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 #128A48 | 4.41:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #128A48 | 4.75:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #128A48 text on white | 4.41:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #128A48 text on black | 4.75:1 | AA | Lc -31.6 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C9E0CE
oklch(88.5% 0.035 152)
-
Step 300
300
#A3CDAD
oklch(80.9% 0.063 152.1)
-
Step 400
400
#6EB381
oklch(70.7% 0.102 151.9)
-
Step 500
500
#419F61
oklch(63% 0.129 152)
-
Step 600
600 (this color)
#128A48
oklch(55.7% 0.141 152.2)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#085F30
oklch(42.7% 0.108 152.4)
-
Step 900
900
#154E2A
oklch(37.7% 0.085 151.9)
-
Step 950
950
#0F2E19
oklch(27.1% 0.054 151.7)
#128A48 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) | #8A7E43 | 0.119 |
| Deuteranopia (no green cones) | #7D744D | 0.118 |
| Tritanopia (no blue cones) | #00887A | 0.074 |
| Achromatopsia (no color) | #787878 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #128A48
#128A48
oklch(55.7% 0.141 152.2)
- #A25097
#A25097
oklch(55.7% 0.141 332.6)
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 #128A48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.025
- Sea Green #2E8B57 ΔE 0.025
- Forest Green #228B22 ΔE 0.038
- Kelley Green #009337 ΔE 0.038
- Viridian #1E9167 ΔE 0.043
- Fern Green #548D44 ΔE 0.046
- Emerald Green #028F1E ΔE 0.047
- Tree Green #2A7E19 ΔE 0.048
Use #128A48 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.