#128639
Closest named color: Jungle Green (#048243). oklch(54.3% 0.149 148.4), rgb(18, 134, 57).
Aa
White text reads best on this color (4.67:1).
About this color
#128639 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.149 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.020 away. White text reads best on it, at 4.67:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.49:1 |
| White text | 4.67:1 |
Values
| HEX | #128639 |
| RGB | rgb(18, 134, 57) |
| HSL | hsl(140, 76%, 30%) |
| OKLCH | oklch(54.3% 0.149 148.4) |
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 #128639 | 4.67:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #128639 | 4.49:1 | AA large text | Lc 32.2 | Non-text elements, placeholder text |
| #128639 text on white | 4.67:1 | AA | Lc 71.9 | Content text, not long reading |
| #128639 text on black | 4.49:1 | AA large text | Lc -29.8 | Dividers and decoration only |
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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE3
oklch(93.7% 0.019 147.8)
-
Step 200
200
#C9E0CC
oklch(88.4% 0.037 149.1)
-
Step 300
300
#A4CDA9
oklch(80.9% 0.066 148.3)
-
Step 400
400
#6FB37B
oklch(70.6% 0.107 148.7)
-
Step 500
500
#44A058
oklch(63.2% 0.138 148.3)
-
Step 600
600 (this color)
#128639
oklch(54.3% 0.149 148.4)
-
Step 700
700
#04752F
oklch(49.1% 0.139 148.5)
-
Step 800
800
#0E5F28
oklch(42.6% 0.114 148.6)
-
Step 900
900
#174E25
oklch(37.7% 0.089 148.6)
-
Step 950
950
#102E16
oklch(27.1% 0.057 148.1)
#128639 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) | #877932 | 0.119 |
| Deuteranopia (no green cones) | #7B713F | 0.117 |
| Tritanopia (no blue cones) | #008375 | 0.087 |
| Achromatopsia (no color) | #747474 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #128639
#128639
oklch(54.3% 0.149 148.4)
- #9D4A9A
#9D4A9A
oklch(54.3% 0.15 328.8)
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 #128639, closest first.
No curated palette has a color within ΔE 0.04 of #128639.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.020
- Forest Green #228B22 ΔE 0.029
- Tree Green #2A7E19 ΔE 0.030
- Dark Grass Green #388004 ΔE 0.034
- Green #008000 ΔE 0.040
- Kelley Green #009337 ΔE 0.040
- Emerald Green #028F1E ΔE 0.040
- Sea Green #2E8B57 ΔE 0.042
Use #128639 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.